/ Dictionary / Index C caconym: Meaning and Definition of Find definitions for: cac•o•nym Pronunciation: (kak'u-nim), [key] — n. a name, esp. a taxonomic name, that is considered linguistically undesirable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cacomistle cacophonous Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language