/ Dictionary / Index A anterior pituitary luteotropin: Meaning and Definition of Find definitions for: ante'rior pitu'itary luteotro'pin Pronunciation: [key] — Biochem. Biochem. prolactin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. anterior pituitary anterior tooth Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language