Entry 2 senses Webster, 1913 Hypophysis · Hy·poph·y·sis · IPA /haɪˈpɒfɪsɪs/ 01 n. See Pituitary body, under Pituitary. 1. See Pituitary body, under Pituitary.(Anat.) See: Pituitary 2. Cataract.(Med.)