Source : Webster's Revised Unabridged Dictionary (1913)

Pinfold \Pin"fold`\, n. [For pindfold. See {Pinder}, {Pound} an
   inclosure, and {Fold} an inclosure.]
   A place in which stray cattle or domestic animals are
   confined; a pound; a penfold. --Shak.

         A parish pinfold begirt by its high hedge. --Sir W.
                                                  Scott.

Source : WordNet®

pinfold
     n : a pen where stray animals are confined