[grass] n, often attrib [ME gras, fr. OE graes; akin to OHG gras grass, OE growan to grow] (bef. 12c) 1: herbage suitable or used for grazing animals
2: any of a large family (Gramineae) of monocotyledonous mostly herbaceous plants with jointed stems, slender sheathing leaves, and flowers borne in spikelets of bracts
3: land (as a lawn or a turf racetrack) covered with growing grass "keep off the ~" "the horse had never won on ~"
4. pl: leaves or plants of grass
5: a state or place of retirement "put out to ~"
6. [short for grasshopper, rhyming slang for copper] slang Brit: a police informer 7: electronic noise on a radarscope that takes the form of vertical lines resembling lawn grass 8: marijuana -- grass.less adj -- grass.like adj
[2]grass vt (ca. 1500) 1: to feed (livestock) on grass sometimes without grain or other concentrates
2: to cover with grass; esp: to seed to grass ~ vi 1: to produce grass
2. slang Brit: inform 2--often used with on