The Collaborative International Dictionary of English v.0.48:

eyeglasses \eye"glas`ses\ n. pl.
   a pair of lenses fixed together in a frame, used for
   correcting defective vision. Also called a pair of
   eyeglasses. See also eyeglass[1].

   Syn: spectacles, specs, glasses.
        [WordNet 1.5 +PJC]

WordNet (r) 3.0 (2006):

eyeglasses
    n 1: optical instrument consisting of a frame that holds a pair
         of lenses for correcting defective vision [syn:
         spectacles, specs, eyeglasses, glasses]