noun
1. : any of various grasses or sedges having leaves with a sharp or toothed edge: as
a. Australia : cutting grass
b. : any of several other Australian grasses of the genus Cladium
2. : a plant having more or less sword-shaped leaves: as
a. : reed canary grass
b. : the common bulrush
3. : a European spurry ( Spergulavia segetalis )