bunchgrass: any of various grasses of many genera that grow in tufts or clumps rather than forming a sod or mat; chiefly of western United States
grass: narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay
power takeoff: a device that transfers power from an engine (as in a tractor or other motor vehicle) to another piece of equipment (as to a pump or jackhammer)