/ Dictionary / Index L laetrile: Meaning and Definition of Find definitions for: la•e•trile Pronunciation: (lā'i-tril), [key] — n. a controversial drug, purported to cure cancer, prepared from the pits of apricots or peaches and containing about 6 percent cyanide by weight: banned by the FDA. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: laetrile (Thesaurus) Laetitia laevo- Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language