/ Dictionary / Index L LH: Meaning and Definition of Find definitions for: LH Pronunciation: [key] — Biochem. Physiol. Biochem. Physiol. luteinizing hormone: a hormone produced by the anterior lobe of the pituitary gland that, in the female, stimulates maturation of the ovarian follicle and formation of the corpus luteum: chemically identical to ICSH of the male. lh Pronunciation: [key] — Sports. Sports. left halfback. l.h. Pronunciation: [key] left hand. lower half. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lh (Thesaurus) lg. tn. Lhasa 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