'eyecup' definitions:

Definition of 'eyecup'

From: WordNet
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; "an eyecup is called an eyebath in Britain" [syn: eyecup, eyebath, eye cup]
noun
(embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina [syn: optic cup, eyecup]

Definition of 'eyecup'

From: GCIDE
  • eyecup \eye"cup`\, n. A small oval porcelain or glass cup, having a rim curved to fit the orbit of the eye. it is used in the application of liquid remedies to eyes; -- called also eyeglass. [1913 Webster]