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WordNet
eastern chipmunk

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

Wikipedia
Eastern chipmunk

The eastern chipmunk (Tamias striatus) is a chipmunk species found in eastern North America. It is the sole living member of the chipmunk subgenus Tamias, sometimes recognised as a separate genus. The name "chipmunk" comes from the Ottawa word ajidamoonh or the Ojibwe word ajidamoo, which translates literally as "one who descends trees headlong."