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.]
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 cantle
      n : the back of a saddle seat