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Webster 1913 Edition

Noun.

pl.

[F.

gamaches

High boots or buskins; in Scotland, short spatterdashes or riding trousers, worn over the other clothing.

Noun.

Short spatterdashes worn by plowmen.

gamashes pl ‎(plural only)

High boots or buskins.
(Scotland) Short spatterdashes or riding trousers, worn over the other clothing.