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1. A waterproof overshoe: I wear galoshes when it rains to keep my shoes dry.
2. Obsolete A sturdy heavy-soled boot or shoe.
[Middle English galoche, wooden-soled shoe, from Old French, of unknown origin.]
a waterproof overshoe, esp. a high one.
[1325–75; Middle English < Old French galoche, of obscure orig.]