1. noun /ɡɹɑːs,ɡɹæs/
a) 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.
b) A lawn.
Syn: Gramineae
2. verb /ɡɹɑːs,ɡɹæs/
a) To lay out on the grass; to knock down (an opponent etc.).
He flew at me with his knife, and I had to grass him twice, and got a cut over the knuckles, before I had the upper hand of him.
Wikipedia foundation.