(More fully "Rhode Island bent grass") common bent, Agrostis capillaris (formerly A. tenuis), a Eurasian grass used as a lawn and pasture grass in the United States.
Origin
Late 18th century; earliest use found in Samuel Deane (1733–1814).
Definition of Rhode Island bent in US English:
Rhode Island bent
noun
US
(More fully "Rhode Island bent grass") common bent, Agrostis capillaris (formerly A. tenuis), a Eurasian grass used as a lawn and pasture grass in the United States.
Origin
Late 18th century; earliest use found in Samuel Deane (1733–1814).