Noun

2. spectacles, frames bearing two lenses worn in front of the eyes

Usage notes

• A sight-improving lens for a single eye is a monocle.
• Though confusion is unlikely, clarity as to quantity is improved by using the expressions "a pair of glasses" (or "a pair of eyeglasses") or "(however many) pairs of eyeglasses".

See also

• bifocals
• contact lens
• monocle
• pince-nez
• shades
• varifocals