/ Dictionary / Index L layman: Meaning and Definition of Find definitions for: lay•man Pronunciation: (lā'mun), [key] — pl. -men. a person who is not a member of the clergy; one of the laity. a person who is not a member of a given profession, as law or medicine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: layman (Thesaurus) lay intermediary layoff 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