Components of Lexical Meaning Study Notes

Traditional Model of Definitions: Assumes that word meanings can be broken down into smaller elements.
- Example: The definition of 'ewe' is given as 'an adult female sheep'. This suggests inclusion of definitions of 'sheep', 'adult', and 'female'.
- If 'adult female sheep' is a synonym for 'ewe', 'ewe' can be seen as a combination of meanings from the other words.
- Components of Meaning: These are the meanings of 'sheep', 'adult', and 'female' that form the meaning of 'ewe'.
Objective of the Chapter: To introduce methods of identifying and representing a word's components of meaning.
Key Concepts Introduced:
- Lexical Entailments (§7.2): Relation between meanings of words and sentences.
- Selectional Restrictions (§7.3): Constraints on word combinations.
- Binary Distinctive Features (§7.4): An approach to representing word meanings.
- Foundational Work on Verb Meanings (§7.5): Key insights into verb semantics.

Definition of Lexical Entailments: The relation between word meanings where one meaning is part of another.
Entailment typically refers to propositions or sentences, not just individual words.
Illustrative Examples: The following sentence pairs demonstrate lexical entailments:
- (1)
- a. John assassinated the Mayor.
- b. John killed the Mayor.
- Relation: 'assassinate' entails 'kill'.
- (2)
- a. John is a bachelor.
- b. John is unmarried.
- (3)
- a. John stole my bicycle.
- b. John took my bicycle.
- (4)
- a. Fido is a dog.
- b. Fido is an animal.
Supporting Linguistic Evidence:
- (5)
- a. It can’t possibly be a dog and not an animal.
- b. It’s a dog and therefore it's an animal.
- c. If it’s not an animal, then it follows that it’s not a dog.
- (6)
- a. #It’s not an animal, but it’s just possible that it’s a dog. (Unnatural)
- b. #It’s a dog, so it might be an animal. (Unnatural)
Additional Tests for Entailments: As mentioned by Cruse (1986):
- (7) Denying the entailed component leads to contradiction:
- a. #John killed the Mayor but the Mayor did not die.
- b. #It’s a dog but it’s not an animal.
- (8) Asserting the entailed component leads to redundancy:
- a. #It’s a dog and it’s an animal.
- b. ⁇Kick it with one of your feet.

Definition: Constraints on the combination of specific words which can make sentences sound odd or unacceptable.
Illustrative Examples of Violating Selectional Restrictions:
- (9)
- a. #This sausage doesn’t appreciate Mozart.
- b. #John drank his sandwich and took a big bite out of his coffee.
- c. #Susan folded/perforated/caramelized her reputation.
- Dissonance rather than contradiction results from these violations.
Origin of Selectional Restrictions:
- Proposed to be linked to word meanings rather than purely syntactic properties (Chomsky 1965).
Examples of Distribution:
- Selectional restrictions hold even in questions and negations unlike lexical entailments.
- (12)
- a. #Did John drink his sandwich?

Definition: A method to represent components of lexical meaning as bundles of distinctive semantic features.
Early Example: Hjelmslev (1953) discusses the significance of using features like gender in words.
Binary Feature Analysis:
- Representation allows for capturing distinctions within lexical items effectively:
- (16) Binary feature analysis for terms related to gender and age includes:
- [adult] [male]
  - horse → ⌀ ⌀
  - stallion → + +
  - mare → + –
  - foal → – ⌀
Benefits of Componential Analysis: Explains relationships such as synonyms, complementarity, and hypernym-hyponym relations.
Limitations of Binary Features: Issues arise with species names, predicates, and the ordering of semantic components in kinship terms.

Focus on Verbs: Their meanings influence syntactic structure.
Class Distinction: Fillmore (1970) presents two classes of transitive verbs:
- Surface Contact Verbs: Examples include hit, slap, strike.
- Change of State Verbs: Examples include break, bend, fold.
Causative-Inchoative Alternation:
- Example sentences demonstrate how verbs like 'break' change state when alternating between transitive and intransitive forms.
Additional Tests and Classes: Levin (1993) expands on Fillmore's methods to classify other verb types based on syntactic behavior.
Semantic Evidence: Highlights that the classification reflects systematic components shared among verbs in a category.
Idiosyncratic Aspects: Verb-specific characteristics do not affect syntactic behavior.

Summary of Insights: Proposes that systematic components vs. idiosyncratic components shape verb meanings.
Reference Ideas: Previous theories (e.g., Katz & Fodor, 1963) suggest that meanings contain systematic components and a distinctive residue (idiosyncratic elements).
Open Questions: Ongoing debates about the existence of meaning components and their representations.

Further Reading: References to Engelberg (2011) for an overview on lexical decomposition, Lyons (1977) for critiques of binary feature analysis, and Levin (1993) for an introduction to verb classes.