metonymy
noun/məˈtɒnəmi/
/məˈtɑːnəmi/
[uncountable] (linguistics)- the act of referring to something by the name of something else that is closely connected with it, for example using the White House for the US presidentWordfinderTopics Languagec2Word Originmid 16th cent.: via Latin from Greek metōnumia, literally ‘change of name’.
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metonymy