/ Dictionary / Index L LHRH: Meaning and Definition of Find definitions for: LHRH Pronunciation: [key] — Physiol. Physiol. luteinizing hormone releasing hormone: a hormone, produced in the hypothalamus, that regulates the release of luteinizing hormone by the pituitary gland. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lhotse li 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