/ Dictionary / Index C calyx: Meaning and Definition of Find definitions for: ca•lyx Pronunciation: (kā'liks, kal'iks), [key] — pl. ca•lyx•es, cal•y•ces the outermost group of floral parts; the sepals. a cuplike part. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: calyx (Thesaurus) calyptrogen calzone Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language