/ Dictionary / Index C caladium: Meaning and Definition of Find definitions for: ca•la•di•um Pronunciation: (ku-lā'dē-um), [key] — n. any of several tropical American plants of the genus Caladium, of the arum family, cultivated for their variegated, colorful leaves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: caladium (Thesaurus) Calabria Calah Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language