n. a waterproof shoe worn over an ordinary shoe during wet weather
the GNU version of the Collaborative International Dictionary of English
n. A shoe that is worn over another for protection from wet or for extra warmth; esp., an India-rubber shoe; a galosh.
The Century Dictionary and Cyclopedia
n. A shoe worn over another; specifically, an outer water-proof shoe; also, an outside shoe lined with fur or other warm material, worn in winter for the sake of warmth.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. footwear that protects your shoes from water or snow or cold
Word Usage
"Such an eloquent defender of the overshoe is rare in the slush."