optic cup optic chiasma • optic disc · · · Info · Definitions · Synonyms · Characters · · optic cup · · Text Common · · Latin · · Scripts 9 · · Length 3 · · Syllables Definitions · · · (noun) (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina. Synonyms: optic cup, eyecup. · · Noun Definition 1 Synonyms · · · eyecup · · Synonym 1 Characters · · space U+0020 c latin small letter c U+0063 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 u latin small letter u U+0075