A device for assisting defective eyesight, or for protecting the eyes from dust, light, etc., consisting of two glass lenses set in a frame which…

a pair of spectacles. †Also without of.

plural (rarely singular) A kind of spectacles, having glasses (usually coloured) or fine wire-netting, fixed in short tubes, and worn to protect the…

A piece of glass to shield or protect the eye. Now rare.

In plural. Goggles used to protect the eyes from dust, bright light, etc. Obsolete.