/ Dictionary / Index C comer: Meaning and Definition of Find definitions for: com•er Pronunciation: (kum'ur), [key] — n. a person or thing that is progressing well or is very promising: He looks like a comer in state politics. a person or thing that arrives. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: comer (Thesaurus) come-outer comes Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language