eyewash

1 3.2

A liquid you use to rinse your eyes and remove dirt or chemicals

: lavado ocular

Other emergency facilities included an emergency shower/eyewash, a visual alarm beacon with an alarm horn, an emergency exhaust fan with louvers, and several self-contained breathing apparatuses (SCBA) with spare air tanks.

Examples

Why don't you nip down to the shops, buy 10 bottles of Froony Green Eyewash... come back here as quickly as you can... and I'll pretend you had them all the time.

Bedazzled (1967)
Ten bottles of Froony's Green Eyewash.

Bedazzled (1967)
We're the Froony Green Eyewash men.

Bedazzled (1967)
Have you, by any chance, got 10 bottles of Froony Green Eyewash in your house?

Bedazzled (1967)
If an irritant gets in your eye, use an eyewash to flush it out quickly.
The first aid kit included a bottle of eyewash for treating eye injuries.
He went to the clinic to use an eyewash after getting dust in his eye.

collyrium

vseyewash

9.9

A liquid medicine used to wash and treat the eyes

is mainly for rinsing to remove irritants rather than treating conditions

eye-lotion

vseyewash

4.2

A liquid that cleans or soothes the eyes

is for rinsing to remove foreign particles rather than soothing

pure eyewash

9.9

Words or actions that try to trick people into thinking things are better than they are

eyewash singular

eyewashes plural

eyewash = eye + wash (transparent) = eye + wash

Literal compound 'eye' + 'wash' meaning a wash for the eye; the sense follows directly from the components.

Eyewash is simply eye + wash, so it literally means 'to wash the eye' with liquid to remove dirt or soothe irritation.