资料来源 : Webster's Revised Unabridged Dictionary (1913)

Copatain \Cop"a*tain\, a. [Formed fr. cop, in imitation of
   captain. See {Cop}, {Captain}.]
   Having a high crown, or a point or peak at top. [Obs.]

         A copatain hat made on a Flemish block.  --Gascoigne.