'Ray grass' definitions:
Definition of 'Ray grass'
From: GCIDE
- Ray grass \Ray" grass`\ (r[=a]" gr[.a]s`). [Etymol. of ray is uncertain.] (Bot.) A perennial European grass (Lolium perenne); -- called also rye grass, and red darnel. See Darnel, and Grass. [1913 Webster]
- Italian ray grass or Italian rye grass. See Darnel, and Grass. [1913 Webster]