Breadcrumb Home > Dictionary > Index B beef Wellington: Meaning and Definition of Find definitions for: beef' Wel'lington Pronunciation: [key] a steak fillet covered with pâté de foie gras, then wrapped in pastry and baked. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. beef-up beefwood ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language