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.
grass Noun A lawn.
grass Noun Marijuana.
grass Noun An informer, police informer; one who betrays a group (of criminals, etc) to the authorities.
grass Noun Sharp, closely spaced discontinuities in the trace of a cathode-ray tube, produced by random interference.
grass Noun Noise on an A-scope or similar type of radar display.
grass Verb To lay out on the grass; to knock down (an opponent etc.).
grass Verb To act as a grass or informer, to betray; to report on (criminals etc) to the authorities.
