/ Dictionary / Index A angioma: Meaning and Definition of Find definitions for: an•gi•o•ma Pronunciation: (an"jē-ō'mu), [key] — pl. -mas, -ma•ta a benign tumor consisting chiefly of dilated or newly formed blood vesselsor lymph vessels Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: angioma (Thesaurus) angiology angioplasty Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language