of, pertaining to, or characteristic of a prehistoric North American cultural tradition extensive in the Great Plains about 11,000 years ago and typified by the use of the Folsom point.
Origin: after Folsom, a village in NE New Mexico, near where remains typifying the culture were found in 1925
Fol·som (fōl'səm) adj. Of or relating to a culture that flourished in western North America east of the Rocky Mountains during the late Pleistocene Epoch, notable chiefly for the use of grooved, leaf-shaped flint projectile points.