The Collaborative International Dictionary of English v.0.48:

Cowhide \Cow"hide`\ (-h?d`), n.
   1. The hide of a cow.
      [1913 Webster]

   2. Leather made of the hide of a cow.
      [1913 Webster]

   3. A coarse whip made of untanned leather.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cowhide \Cow"hide`\, v. t. [imp. & p. p. Cowhided; p. pr. &
   vb. n. Cowhiding.]
   To flog with a cowhide.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cowhide
    n 1: leather made from the hide of a cow [syn: cowhide,
         cowskin]
    2: the hide of a cow
    3: a heavy flexible whip braided from leather made from the hide
       of a cow
    v 1: flog with a cowhide

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "cowhide":
   belt, blacksnake, bullwhack, bullwhip, cat, crop, flagellum,
   horsewhip, knout, kurbash, lash, quirt, rawhide, razor strap,
   scourge, sjambok, strap, thong, whip, whiplash