/ Dictionary / Index F fatten: Meaning and Definition of Find definitions for: fat•ten Pronunciation: (fat'n), [key] — v.t. to make fat. to feed (animals) abundantly before slaughter. to enrich: to fatten the soil; to fatten one's pocketbook. Poker.to increase the number of chips in (a pot). Pinochle.to play a card that scores high on (a trick) expected to be taken by a partner. —v.i. to grow fat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fatten (Thesaurus) fat-tailed sheep fattish Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language