/ Dictionary / Index F fatty tumor: Meaning and Definition of Find definitions for: fat'ty tu'mor Pronunciation: [key] — Pathol. Pathol. lipoma. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fatty oil fatuitous Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language