- 1a curved piece of glass or plastic that makes things look larger, smaller, or clearer when you look through it a pair of glasses with tinted lenses a camera with an adjustable lens a lens cap/cover see fisheye lens, telephoto lens, wide-angle lens, zoom lens
- 2(informal) = contact lens Have you got your lenses in?
- 3(anatomy) the transparent part of the eye, behind the pupil, that focuses light so that you can see clearly
Check pronunciation: lens