The Collaborative International Dictionary of English v.0.48:

Pratique \Prat"ique\, n. [F.; cf. It. pratica, Sp. practica. See
   Practice.]
   1. (Com.) Primarily, liberty of converse; intercourse; hence,
      a certificate, given after compliance with quarantine
      regulations, permitting a ship to land passengers and
      crew; -- a term used particularly in the south of Europe.
      [1913 Webster]

   2. Practice; habits. [Obs.] "One of English education and
      pratique." --R. North.
      [1913 Webster]