Webster's Revised Unabridged Dictionary · 1913

kepi

kepi , noun

[French képi, of German origin.]

A military cap having a close-fitting band, a round flat top sloping toward the front, and a visor. As originally worn by the French in Algeria about 1830 it was tall and stiff with a straight visor. It is now lower, has a curved visor, and is frequently soft.