optic cup: (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
calyculus: a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)
amora: one of a group of rabbis (active AD 250-500) who discussed the Mishnaic law in the law schools of Palestine and Mesopotamia where they explained and applied earlier teachings and whose discussions are recorded in the Talmud; they emphasized the study of Torah and the importance of personal action and the fulfillment of the commandments