The Collaborative International Dictionary of English v.0.48:

Spokeshave \Spoke"shave`\ (sp[=o]k"sh[=a]v`), n.
   A kind of drawing knife or planing tool for dressing the
   spokes of wheels, the shells of blocks, and other curved
   work.
   [1913 Webster]

WordNet (r) 3.0 (2006):

spokeshave
    n 1: a small plane that has a handle on each side of its blade;
         used for shaping or smoothing cylindrical wooden surfaces
         (originally wheel spokes)