Source : Webster's Revised Unabridged Dictionary (1913)

Kepi \Kep"i\, n. [F. k['e]pi, 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.

Source : WordNet®

kepi
     n : a cap with a flat circular top and a visor [syn: {peaked cap},
          {service cap}, {yachting cap}]