Source : Webster's Revised Unabridged Dictionary (1913)

Hackee \Hack"ee\, n. (Zo["o]l.)
   The chipmunk; also, the chickaree or red squirrel. [U.S.]

Source : WordNet®

hackee
     n : small striped semiterrestrial eastern American squirrel with
         cheek pouches [syn: {eastern chipmunk}, {striped squirrel},
          {ground squirrel}, {Tamias striatus}]