/ Dictionary / Index C celeriac: Meaning and Definition of Find definitions for: ce•ler•i•ac Pronunciation: (su-ler'ē-ak", -lēr'-), [key] — n. a variety of celery, Apium graveolens rapaceum, of the parsley family, having a large, edible, turniplike root. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: celeriac (Thesaurus) celebutante celerity Related Content Daily Word Quiz: boorish Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language