can·tle /ˈkæntḷ/
  鞍尾,截剩的一片
  Can·tle n.
  1. A corner or edge of anything; a piece; a fragment; a part. “In one cantle of his law.”
  Cuts me from the best of all my land
  A huge half moon, a monstrous cantle out.   --Shak.
  2. The upwardly projecting rear part of saddle, opposite to the pommel. [Written also cante.]
  Can·tle, v. t. To cut in pieces; to cut out from. [Obs.] [Written also cantile.]
  ◄ ►
  cantle
       n : the back of a saddle seat