cow·hide /-ˌhaɪd/
  牛皮,牛皮鞭(vt.)用牛皮鞭打
  Cow·hide n.
  1. The hide of a cow.
  2. Leather made of the hide of a cow.
  3. A coarse whip made of untanned leather.
  Cow·hide, v. t. [imp. & p. p. Cowhided; p. pr. & vb. n. Cowhiding.] To flog with a cowhide.
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  cowhide
       n 1: leather made from the hide of a cow [syn: cowskin]
       2: the hide of a cow
       3: a heavy flexible whip made of braided cowhide
       v : flog with a cowhide