DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Fin \Fin\ (f[i^]n), v. t. [imp. & p. p. Finned; p. pr. & vb.
      n. Finning.] [Cf. Fin of a fish.]
      To carve or cut up, as a chub.
      [1913 Webster]