Source : Webster's Revised Unabridged Dictionary (1913)

Suslik \Sus"lik\, n. [Russ. s['u]slik'.] (Zo["o]l.)
   A ground squirrel ({Spermophilus citillus}) of Europe and
   Asia. It has large cheek pouches. [Written also {souslik}.]

Source : WordNet®

suslik
     n : rather large central Eurasian ground squirrel [syn: {souslik},
          {Citellus citellus}]