1. (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

• eye cup
• eyebath

2. (noun) (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina

• optic cup

1. (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

• vessel

2. (noun) (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina

• caliculus
• calycle
• calyculus

1. (noun) (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina

• embryology