| Word | Definitions | Synonyms |
|---|---|---|
| eyecup | (noun) (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina | Synonyms: optic cup |
| (noun) a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball | Synonyms: eye cup, eyebath | |
| whitecup | (noun) prostrate woody South American herb with white tubular flowers often tinged with blue or rose | Synonyms: Nierembergia repens, Nierembergia rivularis |