June grass

Từ điển WordNet v3.1 - WordNet Dictionary

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, Poa pratensis
• Hypernyms:
bluegrass, blue grass
• Member Holonyms:
Poa, genus Poa