'June grass' definitions:

Definition of 'June grass'

(from WordNet)
noun
Valuable meadow and pasture grass in Europe and especially central United States having tall stalks and slender bright green leaves; a chief constituent in lawn grass mixtures [syn: Kentucky bluegrass, Kentucky blue, Kentucy blue grass, June grass, Poa pratensis]

Definition of 'June grass'

From: GCIDE
  • June \June\, n. [L. Junius: cf. F. Juin. So called either from Junius, the name of a Roman gens, or from Juno, the goddess.] The sixth month of the year, containing thirty days. [1913 Webster]
  • And what is so rare as a day in June? Then, if ever, come perfect days. --Lowell. [1913 Webster]
  • June beetle, June bug (Zool.), any one of several species of large brown beetles of the genus Lachnosterna and related genera; -- so called because they begin to fly, in the northern United States, about the first of June. The larv[ae] of the June beetles live under ground, and feed upon the roots of grasses and other plants. Called also May bug or May beetle.
  • June grass (Bot.), a New England name for Kentucky blue grass. See Blue glass, and Illustration in Appendix. [1913 Webster]

Definition of 'June grass'

From: GCIDE
  • Poa \Po"a\, n. [NL., fr. Gr. ? grass.] (Bot.) A genus of grasses, including a great number of species, as the kinds called meadow grass, Kentucky blue grass, {June grass}, and spear grass (which see). [1913 Webster]