The Collaborative International Dictionary of English v.0.48:

Hackee \Hack"ee\ (h[a^]k"[=e]), n. (Zool.)
   The chipmunk; also, the chickaree or red squirrel. [U. S.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chipmunk \Chip"munk`\, n. [Indian name.] (Zool.)
   A squirrel-like animal of the genus Tamias, sometimes
   called the striped squirrel, chipping squirrel, ground
   squirrel, hackee. The common species of the United States
   is the Tamias striatus. [Written also chipmonk,
   chipmuck, and chipmuk.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

hackee
    n 1: small striped semiterrestrial eastern American squirrel
         with cheek pouches [syn: eastern chipmunk, hackee,
         striped squirrel, ground squirrel, Tamias striatus]