/ Dictionary / Index L lymph node: Meaning and Definition of Find definitions for: lymph' node" Pronunciation: [key] any of the glandlike masses of tissue in the lymphatic vessels containing cells that become lymphocytes. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lymphedema lympho- Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language