Definition

1. Noun:
   • (Grammar) The core word: In grammar, a head word is the central word in a phrase or grammatical constituent that determines the grammatical function and core meaning of the entire group of words. It is the word that other words in the phrase modify or describe.

Usage

• The is a key concept in syntactic analysis. It is the essential element that a phrase is built around. For example, in a noun phrase, the noun is the . In a verb phrase, the verb is the .

Examples

• Noun:
  • In the phrase "the very tall building," the head word is "building." The other words ("the," "very," "tall") modify this head.
  • In the verb phrase "has been sleeping soundly," the head word is the verb "sleeping."
  • The adjective "intelligent" is the head word in the adjective phrase "extremely intelligent."

Advanced Usage

• Head-Initial vs. Head-Final Languages: The position of the in a phrase can define language typology. In English (a head-initial language), the head typically comes before its modifiers in phrases like verb phrases (e.g., ). In head-final languages, the head often comes last.
• Head Movement: In theoretical syntax, is a process where a moves to a different position in the sentence structure.

Variants and Related Words

• Head (noun): Often used interchangeably with in linguistic discussions.
  • Find the head of the noun phrase.
• Headless Phrase: A rare type of phrase that lacks a clear .

Synonyms

• Head: The core element.
• Nucleus: The central, most important part of a linguistic unit.

Related Terms and Concepts

• Modifier: A word (like an adjective or adverb) that qualifies or describes the .
  • In "bright sun," "bright" is a modifier for the head word "sun."
• Constituent: A group of words that forms a grammatical unit, which has a .

Noun

1. (grammar) the word in a grammatical constituent that plays the same grammatical role as the whole constituent
2. a content word that can be qualified by a modifier