🪟Window

Tracery

Ornamental work of branchlike lines, esp. the lacy openwork in the upper part of a Gothic window.

Plate Tracery

Early tracery formed of pierced slabs of stone set on edge, the design being in the shape and disposition of the openings. Perforated Tracery

Bar Tracery

Gothic Tracery that succeeded plate tracery, consisting of molded stone mullions that divide into various branching elements that fill the window head.

Reticulated Tracery

Gothic tracery consisting mainly of a netlike arrangement of repeated geometrical figures . Net tracery

Geometric Tracery

Gothic tracery characterized by a pattern of geometric shapes, such as circles and foils.

Mouchette

a daggerlike motif found esp. in Gothic tracery, formed by elliptical and ogee curves

Curvilinear Tracery

Gothic tracery characterized by a pattern of irregular, boldly curved forms, Flowing Tracery

Angel Light

A triangular light in Gothic window, formed by the arch of the window, an arch of a lower tier of tracery, and a mullion of an upper tier of tracery.

Perpendicular Tracery

predominantly vertical gothic tracery having mullions rising to the curve of the arch, crossed at intervals by horizontal transoms. Rectilinear Tracery

Foil

Any of several arcs or rounded spaces divided by cusps and tangent to the interior of a larger arc, as of an arch or circle.

Foliation

Ornamentation of an archway, window, or other opening with foils or representations of foliage.

Cusp

A pointed projection formed by two intersecting arcs, used esp. to vary the outlines of intradoses or to form foils

Cuspidation

Decoration with cusps

Trefoil

An arrangement of three foils divided by cusps and radiating from a common center.

Quatrefoil

An ornament composed of four foils divided by cusps and radiating from a common center

Cinquefoil

An ornament composed of five foils divided by cusps and radiating from a common center

Multifoil

Having more than five foils

Picture window

A large, usually fixed single-pane window, placed to frame an attractive exterior view.

Window Wall

A nonbearing wall composed primarily of vertical and horizontal framing members containing of fixed lights and operating sashes.

Ribbon Window

A horizontal band of windows, separated only by mullions

Clerestory

A portion of an interior rising above adjacent rooftops and having windows admitting daylight to the interior. Clearstory

Borrowed Light

A window opening in an interior partition allowing light to be transmitted from one space to another

Pass-Through

A windowlike opening in a wall or partition through which things may be passed , as between a kitchen and a dining room

Bay Window

A window or series of windows projecting outward from the main wall of a building and forming a bay or alcove in a room within, esp. one having its own foundation

Window seat

A seat built into a recess of a window between jambs

Cant bay window

A bay window having canted sides

Bow window

A bay window having a rounded projection

Dormer Window

A vertical window set below the line of a sloped roof, Luthern

Internal Dormer

A vertical window set below the line of a sloped roof

Lucarne

A dormer window in a roof or spire

Oxeye

A comparatively small rounded or oval window, as in a frieze or dormer. Oeil-de-boeuf

Hood Mold

A projecting molding over the arch of a window or door, esp. in interior work. Hood molding

Palladian motif

A window or doorway in the form of a round-headed archway flanked on either side by narrower compartments, the side compartments being capped with entablatures on which the arch of the central compartment rests. Serlian Motif, Venetian motif

Aedicule

A small construction designed in the form of a building, such as a niche or opening framed by columns or pilasters and crowned with a pediment to give importance to its contents.

Gable window

A window in or under a gable

Oriel

a bay window supported from below by corbels or brackets

Meshrebeeyeh

An oriel screened by latticework, through which the air may draw freely while the interior is concealed from view, found along the streets of Cairo and other towns of the Levant.

Lychnoscope

A small window set low in the wall of a medieval church, permitting the interior to be seen from the outside. Lowside window

Awning

A rooflike cover of a canvas or other materials extending in front of a doorway or window, or over a deck, to provide protection from the sun or rain

Screen

A frame holding a fine mesh of metal or fiberglass , placed in a window or doorway, or around a porch to admit air but exclude insects.

Storm Window

A supplementary sash placed outside an existing window as additional protection against severe window. Storm Sash

Combination window

A window equipped with interchangeable screen and glass sections for summer and winter use

Window Box

A box designed to hold soil for growing plants at or on a windowsill

Fixed Light

A window or sash of a window that does not open for ventilation. Fixed Sash

Operable Window

A window having a sash that may be opened for ventilation

Casement Window

A window with at least one casement, often used in combination with fixed lights

Casement

A window sash opening on hinges generally attached to the upright side of the frame.

Folding Casement

A pair of casements with rabbeted meeting stiles, hung in a frame having no mullion.

Hanging Stile

The stile of a window frame from which a casement is hung

Meeting Stile

One of the abutting stiles in a pair of casements

French Window

A pair of casement windows extending to the floor and serving as a doorway; esp. from a room to a outside porch or terrace

Cremorne Bolt

A vertical bolt used on a French window or the like, consisting of two rods moved by at a knob mechanism and extending into pockets in the head and sill of the opening to provide a secure fastening. Cremorne Bolt

Balconet

A railing or balustrade projecting slightly beyond the plane of a window and reaching to the floor, having the appearance of a balcony when the window is fully open. Balconette

Awning Window

A window having one or more sashes swinging outward on hinges generally attached to the top of the frame

Projected window

A casement or awning window in which the inner end of the the sash slides along a track on the sill or jamb as the sash swings outwards.

Hopper Window

A window having one or more sashes swinging inward on hinges generally attached on the bottom. Hospital Window

Hopper Light

A window light hinged on the bottom and swinging inward. Also called hospital light

Hopper

One of the triangular draft barriers on each side of a hopper light.

Extension Casement Hinge

A hinge for an outward-swinging casement window located to allow cleaning from the inside when the window is open.

Casement Stay

A bar for holding a casement and holding it in an open position.

Lever Operator

A gearless device for operating a casement and holding it in an open position

Cam Handle

a handle that locks a hinged sash in a closed position by wedging it against a keeper plate. Locking Handle

Roto Operator

A crank driven worm drive for opening and closing awning windows, casement windows, jalousies

Wicket Screen

A small sliding or hinged portion of a larger screen providing access for operating a window sash.

Pivoted window

A window having sash that rotates 90° or 180° about a vertical or horizontal axis at or near its center, used in air-conditioned multistory or high rise buildings and operated only for cleaning maintenance, or emergency ventilation.

Jalousie window

A window having horizontal glass or woos louvers that pivot simultaneously in a common frame, used primarily in mild climates to control ventilation and to cut off visibility from the outside.

Jalousie

A blind or shutter having horizontal slats that can be adjusted to admit light and air but exclude sun and rain.

Shielding Angle

The angle below which something can be seen when viewed through a louver.

Yoke

A horizontal piece forming the top of a frame for a double-hung window.

Stop

A strip of molding along the inside of window frame or holding a sliding sash or against which a sash closes. Sash Stop, Window Stop.

Stop Bead

A strip of molding along the inside of a window frame for holding a sliding sash

Parting Bead

A strip of molding used on each side of a frame of a double-hung window to keep the upper and lower sashes apart when raised of lowered. Parting Strip.

Blind Casing

The rough casing of a box frame to which trim is secured

Box Frame

A window frame having hollow jambs or mullions for sash weights

Hanging Stile

A stile in a window frame against which a window sash slides. Pulley Stile.

Sash weight

A cylindrical casing of iron or lead used as a counterweight to balance a vertically sliding window sash

Sash Line

A rope (Sash cord) or chain (Sash chain) for connecting a vertically sliding window sash.

Sash Ribbon

A strip of steel or aluminum alloy used in place of a sash cord to connect a vertically sliding window sash with a counterweight.

Pocket Piece

A removable part of a hanging stile permitting access to insert a sash weight or to replace the sash line.

Single-hung window

A window having two-sashes, of which only one is movable

Vertically sliding window

A window having one or more sashes that move vertically and are held in various open positions by means of frictions or a ratchet device installed of by sash balances or counterweights.

Sash balance

A spring-loaded device used in place of sash weights to counterbalance a vertically sliding window sash. Spring Balance

Double-hung window

A window having two vertically sliding sashes each in separate grooves or tracks and closing a different part of window

Hung sash

A vertically sliding window sash balanced by a counterweight or pretensioned spring on each side so that i can be raised or lowered with relatively little effort. Balanced Sash

Meeting Rail

The rail of each sash in a double-hung window that meets at the rail of the other when the window is closed.

Sash Fast

A fastening on the meeting rail of one sash that swings across to the meeting rail of each another sash and engage with a spur on it, Sash

Check Rail

A meeting rail, esp. one closing against a corresponding rail with a diagonal or rabbeted overlap

Plain Rail

A meeting rail equal in thickness to the other numbers of the frame

Box-head window

A Double-hung window constructed with a pocket in the head, into which one or both sashes can pass to increase the opening available for ventilation.

Drop window

A window constructed with a pocket below the sill, into which a sash can slide to increase the opening available for ventilation

Horizontal sliding window

A window having two or more sashes, of which at least one slides along horizontal grooves or tracks.

Sliding sash

A sash that opens by moving horizontally along grooves or tracks at the top and bottom of the window frame.

Window

An opening in the wall of building for admitting light and air, usually fitted with a frame in which are set operable sashes containing panes of glass.

Pane

One of the divisions of a window or door, consisting of a single unit of glass

Windowpane

A pane of glass filling a window sash

Muntin

A rabbeted member for holding the edges of windowpanes within sash. Glazing Bar or Sash Bar

Mullion

A vertical member between the lights of a window

Light

A medium for admitting lights, as one compartment of a window or window sash, Day

Slip sill

A sill cut to fit between the jambs of a window or door opening.

Lug sill

A sill extending beyond a window or door opening and built into jambs