/ Dictionary / Index H hypophysis: Meaning and Definition of Find definitions for: hy•poph•y•sis Pronunciation: (hī-pof'u-sis, hi-), [key] — pl. -ses See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hypophysis (Thesaurus) hypophysectomy hypopiesis Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language