We found 7 dictionaries that define the word optic cups:

General (4 matching dictionaries)

1. optic cups: Merriam-Webster
2. optic cups: Vocabulary.com
3. optic cups: Wiktionary
4. optic cups: TheFreeDictionary.com

Computing (1 matching dictionary)

5. optic cups: Encyclopedia

Medicine (2 matching dictionaries)

6. optic cups: Merriam-Webster Medical Dictionary
7. optic cups: Medical dictionary

(Note: See optic_cup as well.)

Definitions from Wiktionary (optic cup) ▸ noun:  The white, cup-like area in the center of the optic disc ▸ Also see optic_cup ▸ Words similar to optic cups ▸ Usage examples for optic cups ▸ Idioms related to optic cups ▸ Wikipedia articles (New!) ▸ Words that often appear near optic cups ▸ Rhymes of optic cups ▸ Invented words related to optic cups