An example of a metonymy is referring to the King as "the Crown."
Origin of metonymy
- Late Latin metōnymia from Greek metōnumiā meta- meta- onuma name nō̆-men- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Late Latin metonymia, from Ancient Greek Î¼ÎµÏ„Î¿Î½Î¿Î¼Î±ÏƒÎ¯Î± (metÅnumia, “change of name"), from Î¼ÎµÏ„Î¬ (meta, “other") + á½„Î½Î¿Î¼Î± (onoma, “name").