We found 20 dictionaries that define the word optic cup:

General (11 matching dictionaries)

1. optic cup: Merriam-Webster
2. optic cup: Oxford Learner's Dictionaries
3. optic cup: American Heritage Dictionary of the English Language
4. optic cup: Vocabulary.com
5. optic cup: Wiktionary
6. optic cup: Dictionary.com
7. Optic cup (anatomical), Optic cup (embryology), Optic cup: Wikipedia, the Free Encyclopedia
8. optic cup: Rhymezone
9. optic cup: FreeDictionary.org
10. optic cup: Mnemonic Dictionary
11. optic cup: TheFreeDictionary.com

Business (2 matching dictionaries)

12. optic cup: Legal dictionary
13. optic cup: Financial dictionary

Computing (1 matching dictionary)

14. optic cup: Encyclopedia

Medicine (6 matching dictionaries)

15. optic cup: Merriam-Webster Medical Dictionary
16. Cup, optic, Optic cup: MedTerms.com Medical Dictionary
17. Optic Cup: Glossary of Lasik Laser Eye Surgery
18. online medical dictionary (No longer online)
19. optic cup: Medical dictionary
20. Cup, optic, Optic cup: Drug Medical Dictionary

(Note: See optic_cups as well.)

Definitions from Wiktionary (optic cup) ▸ noun:  The white, cup-like area in the center of the optic disc Similar: eyecup, optic disk, angiocube, foveal avascular zone, subfovea, foveal zone, uveovortex, fovealization, blind spot, optic chasm, more... Types: monocular, binocular, more... Phrases: optic cup activity, more... ▸ Words similar to optic cup ▸ Usage examples for optic cup ▸ Idioms related to optic cup ▸ Wikipedia articles (New!) ▸ Words that often appear near optic cup ▸ Rhymes of optic cup ▸ Invented words related to optic cup