from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A panic grass (Panicum virgatum) native to North America and used as rangeland forage and hay.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tall North American perennial grass, Panicum virgatum, used as forage and to make hay.
Alteration (influenced by switch) of quitch grass.(American Heritage® Dictionary of the English Language, Fourth Edition)