D defs.my
Entry 1 sense Webster, 1913

Blue grass

/blo͞o grăs/ · Blue· grass · IPA
01 A species of grass (Poa compressa) with bluish green stems, valuable in thin gravelly soils; wire grass.
  1. 1.
    A species of grass (Poa compressa) with bluish green stems, valuable in thin gravelly soils; wire grass.(Bot.)
Phrases & compounds
Kentucky blue grass — a species of grass (Poa pratensis) which has running rootstocks and spreads rapidly. It is valuable as a pasture grass, as it endures both winter and drought better than other kinds, and is very nutritious.