MERONYMY

meronymy, part to whole relation

(noun) the semantic relation that holds between a part and the whole

Source: WordNet® 3.1

Etymology

Noun

meronymy (countable and uncountable, plural meronymies)

(semantics) The relationship of being a constituent part or member of something; a system of meronyms.

Antonym: holonymy

Source: Wiktionary