(n) tall tufted perennial tropical American grass naturalized as pasture and forage grass in southern United States, Syn.Paspalum dilatatum, paspalum, dallis grass
n. a tall tufted perennial tropical American grass (Paspalum dilatatum) naturalized as pasture and forage grass in the southern U.S. Syn. -- paspalum, Paspalum dilatatum. [ WordNet 1.5 ]