/ Dictionary / Index C cero: Meaning and Definition of Find definitions for: ce•ro Pronunciation: (sēr'ō), [key] — pl. -ro, -ros. a large Atlantic and Gulf Coast mackerel game fish, Scomberomorus regalis. any of various related fishes. cero- Pronunciation: [key] a combining form meaning “wax,” used in the formation of compound words: cerotype. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cero (Thesaurus) cernuous cerograph Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language