Source : Webster's Revised Unabridged Dictionary (1913)

Taguan \Tag"u*an\, n. [From the native name in the East Indies.]
   (Zo["o]l.)
   A large flying squirrel ({Pteromys petuarista}). Its body
   becomes two feet long, with a large bushy tail nearly as
   long.

Source : WordNet®

taguan
     n : East Indian flying squirrel [syn: {flying marmot}, {flying
         cat}, {Petaurista petaurista}]