headword

English Thesaurus

1. a word placed at the beginning of a line or paragraph (as in a dictionary entry) (noun.communication)

hypernym	:	word,
definition	:	a unit of language that native speakers can identify (noun.communication)

part meronym	:	dictionary entry, lexical entry,
definition	:	the entry in a dictionary of information about a word (noun.communication)

2. a content word that can be qualified by a modifier (noun.communication)

hypernym	:	content word, open-class word,
definition	:	a word to which an independent meaning can be assigned (noun.communication)

part meronym	:	phrase,
definition	:	an expression consisting of one or more words forming a grammatical constituent of a sentence (noun.communication)