grass
noun
°Any plant of the family Poaceae, characterized by leaves that arise from nodes in the stem, wrap around it for a distance, and leave, especially those grown as ground cover rather than for grain.
°A lawn.
verb
°To lay out on the grass; to knock down (an opponent etc.).
°(or slang) To act as a grass or informer, to betray; to report on (criminals etc) to the authorities.
synonyms: gramineae