/ Dictionary / Index L lymphadenectomy: Meaning and Definition of Find definitions for: lym•phad•e•nec•to•my Pronunciation: (lim-fad"n-ek'tu-mē, lim"fu-dn-), [key] — pl. -mies. the excision of one or more lymph nodes, usually as a procedure in the surgical removal or destruction of a cancer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lymph lymphadenitis 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