What does bromegrass mean?
Bromegrass refers to any of numerous grasses belonging to the genus Bromus, a large and widespread group found across temperate regions worldwide. The name derives from the Greek word 'bromos', meaning oat, reflecting the oat-like appearance of the plants' seed heads. Several species — most notably smooth bromegrass — are important forage crops, cultivated widely in North America and elsewhere for pasture grazing and hay production because they are hardy, palatable to livestock, and tolerant of drought. Other members of the genus, however, behave as aggressive weeds, invading rangelands and natural areas and displacing native vegetation. As a term, bromegrass belongs mainly to agricultural, botanical, and ecological contexts: a farmer might speak of rotating cattle through bromegrass pasture, while an ecologist might discuss the spread of invasive brome species. Its register is neutral and practical rather than literary.
nounAny of various grasses of the genus Bromus, several species of which are cultivated as forage or hay for livestock.
- A grass of the genus Bromus, especially one grown as fodder for grazing animals or hay.
- More broadly, any coarse weedy grass of this genus, some of which are considered invasive in certain regions.
"The rancher rotated his cattle through the fields of smooth bromegrass in late summer."
"Smooth bromegrass is a staple forage crop across much of the North American prairie."
"Farmers value bromegrass for its drought tolerance and reliable summer hay yields."
Used when referring collectively to multiple species of the genus Bromus; the singular often serves as a mass noun for the crop or vegetation itself.
"Several bromegrasses thrive in the region's dry summers."
Despite the name, bromegrass has nothing to do with brooms — it comes from the ancient Greek word for oats.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of bromegrass
The word bromegrass combines 'brome', from the Greek 'bromos' meaning oat, with the English word 'grass'. The element 'brome' entered English via New Latin 'Bromus', the scientific genus name established in early modern botanical taxonomy, before being compounded into the common English name. It is thus related etymologically to the Greek name for the oat plant rather than to any native Germanic word for grass.
Related word forms
How bromegrass is actually used
Primarily an agricultural and botanical term, used by farmers, agronomists, and ecologists rather than in everyday conversation. Some species are valued forage crops while others are treated as invasive weeds.
Easily confused with bromegrass
Bluegrass belongs to the genus Poa and is prized as fine lawn turf, whereas bromegrass (Bromus) is a coarser grass grown chiefly for livestock forage.