An incorrect or incorrectly applied scientific name, as a new name applied to a species or genus already properly named, or a specific name preoccupied by that of another species of the same genus; -- so used in the system of nomenclature (which see) in which the correct scientific names of certain natural groups (usually genera, species, and subspecies) are regarded as determined by priority.
One of two or more words corresponding in meaning but of different languages; a heteronym.
One of two or more words (commonly words of the same language) which are equivalents of each other; one of two or more words which have very nearly the same signification, and therefore may often be used interchangeably. See under Synonymous.
I am thinking of taking a fifth wife. Why not? Solomon had a thousand wives and he is a synonym for wisdom. John Barrymore
Since the departure of good old-fashioned entertainers the re-emergence of somebody who wants to be an entertainer has unfortunately become a synonym for camp. I don't think I'm camper than any other person who felt at home on stage, and felt more at home on stage than he did offstage. David Bowie
A synonym is a word you use when you can't spell the word you first thought of. Burt Bacharach
I'd rather fiddle with my phone for precious seconds than neglect an apostrophe; I'd rather insert a word laboriously keyed out than resort to predictive texting for a - acceptable to some - synonym. Will Self