Definition of cheat grass in English:

cheat grass

(also cheatgrass)

noun

North American
  • A tough wild grass of open land, sometimes growing as a weed among cereal crops and in pasture.

    • ‘Thus, many of America's most aggressive weeds, especially in the temperate zones, come from European origins: dandelions, crabgrass, wild oats, sow thistle, kudzu, tumbleweed, plantain, cheat grass, and many others.’
    • ‘The proliferation of cheat grass followed in the wake of prescribed burns done in the canyon by the forest service to push back juniper trees and improve bighorn sheep habitat.’
    • ‘I have been informed by a friend the ‘Shenandoah’ is a cheat grass and is very aggressive.’
    • ‘Bladderpod is an annual plant and it competes poorly with cedar trees, cheat grass, and fescue.’
    • ‘However, we gained a lot of insight into how significant an increase in cheat grass can be when you have the right conditions.’
    • ‘Finally, supervised and unsupervised classification techniques were also used to map the cheat grass.’
    • ‘These relatively undisturbed areas have shown little invasion by cheat grass and other exotics.’
    • ‘There are herbicide options for cheat grass control in winter wheat but they are expensive and rarely do they have 100% control.’
    • ‘Northwest Agricultural Products is field-testing a new product to keep invasive cheat grass from re-establishing itself on part of the Hanford Reach after a fire.’
    • ‘This problem is acute in Nevada, where the cycle of fire disturbance has spurred the invasive cheat grass to alter range and wildlife habitats.’
    • ‘The presence of cheat grass increases the occurrence of fire from every 60-100 years in native rangelands to every 3-5 years.’
    • ‘A pilot project to address these issues is planned for the Nowater Creek watershed that will use herbicides to control cheat grass and increase the production of native grasses and forbs.’

Origin

Late 18th century: a local word for various wild plants, perhaps from their resemblance to the cereals among which they grew.