/ Dictionary / Index E epithelioma: Meaning and Definition of Find definitions for: ep•i•the•li•o•ma Pronunciation: (ep"u-thē"lē-ō'mu), [key] — pl. -mas, -ma•ta a growth or tumor consisting chiefly of epithelial cells. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: epithelioma (Thesaurus) epithelioid epitheliomuscular Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language