kepi

n. [ F. képi, of G. 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.
Syn. -- peaked cap, service cap, yachting cap. [ Webster 1913 Suppl. ]