from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A word whose meaning is included in the meaning of another more general word; for example, bus is a hyponym of vehicle.
from The Century Dictionary.
- noun A systematic name applied to an undetermined group of animals or plants, and thus not fully or finally established.
from the GNU version of the Collaborative International Dictionary of English.
- noun (linguistics) a word that is more specific (less abstract) than a given word; a term designating a class which is a subtype of the given word; a subcategory; a subtype. Inverse of hypernym.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun semantics A more specific term; a
subordinategrouping word or phrase.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a word that is more specific than a given word
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
Psycholinguistic research has shown that the receiver naturally associates a word with its opposite, e.g. "man - woman," a hyponym, i.e. a word semantically subordinate, e.g. "fruit - apple" or a synonym.
Automatic Thesaurus Generation Hearst (1992) presents an algorithm that can automatically generate a thesaurus or dictionary: Learning hyponym, meronym relations and more.