/ Dictionary / Index L lemon: Meaning and Definition of Find definitions for: lem•on Pronunciation: (lem'un), [key] — n. the yellowish, acid fruit of a subtropical citrus tree, Citrus limon. the tree itself. See a person or thing that proves to be defective, imperfect, or unsatisfactory; dud: His car turned out to be a lemon. —adj. made of or with lemon. having the color, taste, or odor of lemon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lemon (Thesaurus) Lemnos lemonade 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