/ Dictionary / Index L lumpy jaw: Meaning and Definition of Find definitions for: lump'y jaw' Pronunciation: [key] — Pathol., Vet. Pathol. Pathol.,Vet. Pathol. actinomycosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lumpy Lumumba Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language