/ Dictionary / Index H hepatoma: Meaning and Definition of Find definitions for: hep•a•to•ma Pronunciation: (hep"u-tō'mu), [key] — pl. -mas, -ma•ta a tumor of the liver. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hepatoma (Thesaurus) hepatocyte hepatomegaly Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language