[ˈmɛtənɪm], (Noun)

Definitions:
- a word, name, or expression used as a substitute for something else with which it is closely associated. For example, Washington is a metonym for the US government


Phrases:

Origin:
early 17th century (in the sense ‘metonymy’): apparently shortened from metonymy; the sense ‘word used as a substitute for something else’ dates from the mid 19th century and is probably from meta- + -onym