Bible Dictionaries
Eyecup

Webster's Dictionary

(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.

Bibliography Information
Webster, Noah. Entry for 'Eyecup'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/eyecup.html. 1828.