/ Dictionary / Index C calyculus: Meaning and Definition of Find definitions for: ca•lyc•u•lus Pronunciation: (ku-lik'yu-lus), [key] — pl. -li a structure shaped like a cup. a set of bracts resembling an outer calyx. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: calyculus (Thesaurus) calyculate Calydon 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