cheatgrass /ˈt͡ʃiːtɡɹɑːs/ noun1 •Bromus tectorum, drooping brome, native to Europe, thought to create an ecology prone to annual fires in many US areasIt took maybe nine or ten years more of westward drift, over the rolling prairie, through the cheatgrass, the sage grouse exploding skyward […] — 2006 formscheatgrasses