/ Dictionary / Index C carcinoma: Meaning and Definition of Find definitions for: car•ci•no•ma Pronunciation: (kär"su-nō'mu), [key] — pl. -mas, -ma•ta a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: carcinoma (Thesaurus) carcinoid syndrome carcinomatosis Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language