chipmunkPronunciation: /ˈtʃɪpmʌŋk/Translate chipmunk | into German | into Italian | into Spanish Definition of chipmunk noun a burrowing ground squirrel with cheek pouches and light and dark stripes running down the body, found in North America and northern Eurasia. Genus Tamias, family Sciuridae: many species Origin: mid 19th century: from Ojibwachipmunk in other Oxford dictionaries Definition of chipmunk in the US English dictionary