The Collaborative International Dictionary of English v.0.48:

Trapan \Tra*pan"\, v. t. [imp. & p. p. Trapanned; p. pr. & vb.
   n. Trapanning.]
   To insnare; to catch by stratagem; to entrap; to trepan.
   [1913 Webster]

         Having some of his people trapanned at Baldivia.
                                                  --Anson.
   [1913 Webster]