/ Dictionary / Index T tummy tuck: Meaning and Definition of Find definitions for: tum'my tuck" Pronunciation: [key] — Informal. Informal. plastic surgery of the abdomen involving removal of excess fatty tissue and excess skin; abdominoplasty. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tummy tumor Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language