ten-gallon hat

[ ten-gal-uh n ]
/ ˈtɛnˌgæl ən /

noun

a broad-brimmed hat with a high crown, worn especially in the western and southwestern U.S.; cowboy hat.
Compare sombrero.

Origin of ten-gallon hat

1925–30; said to be < Spanish galón braid, galloon (rows of which were wrapped above the brim)

British Dictionary definitions for ten-gallon hat

ten-gallon hat

noun

(in the US and Canada) a cowboy's broad-brimmed felt hat with a very high crown

Word Origin for ten-gallon hat

C20: so called because of its large size