noun, plural Pi·mas, (especially collectively) Pi·ma for 1.
- a member of an Indian people of southern Arizona and northern Mexico.
- the Uto-Aztecan language of the Pima Indians, closely related to Papago.
Uto-Aztecan people of Arizona, from Spanish, probably from native pi ma:c “(I) don’t know,” given in answer to some question long ago and mistaken by the Spaniards as a tribal name. Related: Piman.