Noun
a word that denotes one thing but refers to a related thing
Source: WordNetPrejudice validates itself as righteous abhorrence of the criminally deviant. So Christian homophobia is just a metonym of that abjection in general. Hal Duncan
Washington is a metonym for the United States government Source: Internet
plastic is a metonym for credit card Source: Internet
IA-32 is the first incarnation of x86 that supports 32-bit computing; citation as a result, the "IA-32" term may be used as a metonym to refer to all x86 versions that support 32-bit computing. Source: Internet
Over time, the term has become a metonym for the financial markets of the United States as a whole, the American financial sector (even if financial firms are not physically located there), or New York-based financial interests. Source: Internet
The word Cooperstown is often used as shorthand (or a metonym ) for the National Baseball Hall of Fame and Museum. Source: Internet