1. (n.) A lens of glass to assist the sight. Eyeglasses are used singly or in pairs.
2. (n.) Eyepiece of a telescope, microscope, etc.
3. (n.) The retina.
4. (n.) A glass eyecup. See Eyecup.
Thesaurus Entries
Polaroid glasses, achromatic lens, astigmatic lens, bifocals, blinkers, burning glass, camera, cheaters, coated lens, colored glasses, concave lens, concavo-convex lens, condenser, contact lens, convex lens, dark glasses, divided spectacles, eyeglasses, eyepiece, glass, glasses, goggles, granny glasses, hand lens, harlequin glasses, horn-rimmed glasses, lens, lorgnette, lorgnon, magnifier, magnifying glass, meniscus, mini-specs, monocle, nippers, object glass, objective, objective prism, ocular, pair of glasses, peepers, prism, quizzing glass, reader, readers, reading glass, reading glasses, shades, specs, spectacles, sun-specs, sunglasses, telephoto lens, toric lens, trifocals, varifocal lens, zoom lens
