noun: A synthetic material used in sports grounds as a durable substitute for natural grass.
verb: To cover with an artificial grass-like material.
verb: (politics, usually lowercase) To fabricate an impression of political support for an agenda.
adjective: Of a group created by a larger organisation (especially a corporation or political party), but presenting itself as a grassroots organisation.
verb: Alternative spelling of Astroturf [To cover with an artificial grass-like material.]
noun: Alternative spelling of AstroTurf [A synthetic material used in sports grounds as a durable substitute for natural grass.]