Pima cottonpi·ma cotton
a tough, strong, smooth, long-staple cotton grown in the SW U.S.
Origin of Pima cottonafter Pima County, Ariz.
A very strong, high-grade cotton of medium staple developed from selected Egyptian cottons in the southwest United States.
Origin of pima cottonAfter Pima, County in southern Arizona, location of the experimental farm on which it was developed in the early 1900s.