/ Dictionary / Index P progestogen: Meaning and Definition of Find definitions for: pro•ges•to•gen Pronunciation: (prō-jes'tu-jun), [key] — n. Pharm. progestin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: progestogen (Thesaurus) progestin proglottis Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language