/ Dictionary / Index T tumefacient: Meaning and Definition of Find definitions for: tu•me•fa•ci•ent Pronunciation: (t"mu-fā'shunt, ty"-), [key] — adj. tumefying; causing to swell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tumbrel tumefaction Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language