/ Dictionary / Index L lorazepam: Meaning and Definition of Find definitions for: lor•az•e•pam Pronunciation: (lô-raz'u-pam", lu-), [key] — n. Pharm. a benzodiazepine drug, CHClNO, used chiefly in the management of acute anxiety and for insomnia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lorazepam (Thesaurus) loran Lorca Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language