Definition of "onym" [onym]

• In zoology, the technical name of a species or other group, consisting of one or more terms applied conformably with some recognized system of nomenclature. (noun)

The Century Dictionary (Public Domain)

• "Then Race, jumping to the hom - onym, meaning subspecies, and the synonym Color, and on to Hue-was this leading to Spirit?"
• "I mention - Onyms in the title to this post because there are a number of kinds of words, usually ending in "onym" that can make keyword research more interesting, and more rewarding."
• "So here I sit, accused of killing your pseud- onym."