Meaning of half-glasses

half-glass•es

Pronunciation: (haf'glas"iz, häf'glä"siz), [key]
— n. (used with a pl. v.)
  1. a pair of eyeglasses, often shaped like the lower half of regular eyeglasses, containing lenses to aid in reading and not suitable for distance vision.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.