'English grass' definitions:

Definition of 'English grass'

From: GCIDE
  • Redtop \Red"top`\ (-t?p`), n. (Bot.) A kind of grass (Agrostis vulgaris) highly valued in the United States for pasturage and hay for cattle; -- called also English grass, and in some localities herd's grass. See Illustration in Appendix. The tall redtop is {Triodia seslerioides}. [1913 Webster]