'Copatain' definitions:

Definition of 'Copatain'

From: GCIDE
  • 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.] [1913 Webster]
  • A copatain hat made on a Flemish block. --Gascoigne. [1913 Webster]