資料來源 : Webster's Revised Unabridged Dictionary (1913)

   2. Any one of several species of ground squirrels or gophers
      of the genus {Spermophilus}; also, the prairie dog.

   {Marmot squirrel} (Zo["o]l.), a ground squirrel or
      spermophile.

   {Prairie marmot}. See {Prairie dog}.