bromegrass
noun
brome·grass ˈbrōm-ˌgras 
variants or brome
ˈbrōm
plural bromegrasses or bromes
: any of a large genus (Bromus) of tall grasses often having drooping spikelets
Word History
Etymology
New Latin Bromus, from Latin bromos oats, from Greek
First Known Use
circa 1762, in the meaning defined above