METONYMY
metonymy
(noun) substituting the name of an attribute or feature for the name of the thing itself (as in ‘they counted heads’)
Source: WordNet® 3.1
Etymology
Noun
metonymy (countable and uncountable, plural metonymies)
(rhetoric) The use of a single characteristic or part of an object, concept or phenomenon to identify the entire object, concept, phenomenon or a related object.
Coordinate term: metaphor
Hypernyms: trope, figure of speech
Hyponyms: synecdoche, synecdochy
(countable) A metonym.
Source: Wiktionary
Me*ton"y*my, n. Etym: [L. metonymia, Gr. métonymie. See Name.]
(Rhet.)
Definition: A trope in which one word is put for another that suggests it;
as, we say, a man keeps a good table instead of good provisions; we
read Virgil, that is, his poems; a man has a warm heart, that is,
warm affections.
Source: Webster’s Unabridged Dictionary 1913 Edition