Metonym vs. Metonymy — What's the Difference?

A word used in metonymy.

Metonymy () is a figure of speech in which a thing or concept is referred to by the name of something closely associated with that thing or concept.

(grammar) A word that names an object from a single characteristic of it or of a closely related object; a word used in metonymy.

A figure of speech in which one word or phrase is substituted for another with which it is closely associated, as in the use of Washington for the United States government or of the sword for military power.

(by extension) A concept, idea, or word used to represent, typify, or stand in for a broader set of ideas.

(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.

A word that is used metonymically; a word that denotes one thing but refers to a related thing

(countable) A metonym.

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; a city dweller has no wheels, that is, no automobile.

Substituting the name of an attribute or feature for the name of the thing itself (as in `they counted heads')