1) Aid for peeper-washing 2) Binocular part 3) Eye cup 4) Eyebath 5) It can help keep pupils clean 6) It covers a circular orbit 7) Medicine chest item 8) Microscope attachment 9) Ocular cleansing receptacle 10) Ocular washer 11) Ocular washing device 12) Optical item 13) Pupil-washing aid 14) Pupil-washing device 1) Eyebath 
• (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.
(i´kәp) a small vessel formerly used for application of cleansing or medicated solution to the exposed area of the eyeball.
Eye'cup` noun 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 . 
[n] - a small vessel with a rim curved to fit the orbit of the eye
clusters of light-sensitive cells that form cup-shaped depressions on an animal's body. Seastars have eyecups
eyebath 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`
a device for applying eyewash to the eye, consisting of a cup or glass with a rim shaped to fit snugly around the orbit of the eye. Also called