The American Heritage® Dictionary of the English Language, 4th Edition
n. A small cup with a rim contoured to fit the socket of the eye, used for applying a liquid medicine or wash to the eye. Also called eye bath, eyeglass.
the GNU version of the Collaborative International Dictionary of English
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.
The Century Dictionary and Cyclopedia
n. A cup or glass the rim of which is curved to correspond to the contour of the orbit: used in the application of lotions to the conjunctiva.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball
n. (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
n. a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball
Word Usage
"Then there are the little touches that demonstrate the top level of user-friendly engineering: indentations on the body armor that fit the thumbs for a comfortable hold; tight checkering on the center focus knob for a better touch; extremely fine focus for close and far; and rounded eyecup rims that nestle against the eye sockets."