DuckCorp Dico

Found 2 definitions

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Swap \Swap\, v. t. [imp. & p. p. Swapped; p. pr. & vb. n.
      Swapping.] [OE. swappen to strike; cf. E. to strike a
      bargain; perh. akin to E. sweep. Cf. Swap a blow, Swap,
      v. i.] [Written also swop.]
      1. To strike; -- with off. [Obs. or Prov. Eng.] "Swap off his
         head!" --Chaucer.
         [1913 Webster]
      2. To exchange (usually two things of the same kind); to
         swop. [Colloq.] --Miss Edgeworth.
         [1913 Webster]
   
                   
                 

2.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Swop \Swop\, v. & n.
      Same as Swap. --Dryden.
      [1913 Webster]