Source : Webster's Revised Unabridged Dictionary (1913)

Hidebound \Hide"bound`\, a.
   1. Having the skin adhering so closely to the ribs and back
      as not to be easily loosened or raised; -- said of an
      animal.

   2. (Hort.) Having the bark so close and constricting that it
      impedes the growth; -- said of trees. --Bacon.

   3. Untractable; bigoted; obstinately and blindly or stupidly
      conservative. --Milton. Carlyle.

   4. Niggardly; penurious. [Obs.] --Quarles.

Source : WordNet®

hidebound
     adj : stubbornly conservative and narrow-minded [syn: {traditionalist}]