star grass (Noun) — Any of several perennials of the genus Aletris having grasslike leaves and bitter roots reputed to cure colic.
star grass (Noun) — Any plant of the genus Hypoxis having long grasslike leaves and yellow star-shaped flowers: Africa; Australia; southern Asia; North America.
star grass (Noun) — Trailing grass native to Europe now cosmopolitan in warm regions; used for lawns and pastures especially in southern United States and India.
star grass (Noun) — Perennial Australian grass having numerous long spikes arranged like the vanes of a windmill.