1. Narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay
   "The children played on the freshly mowed grass"
    
2. Bulky food like grass or hay for browsing or grazing horses or cattle
   "The horses were turned out to the pasture for grass";
   - eatage [dialect], forage, pasture, pasturage, grazing
    
3. [slang] A street name for marijuana
   "Teens were caught smoking grass behind the school";
   - pot [slang], green goddess [slang], dope [slang], weed [slang], gage [slang], sess [slang], sens [slang], smoke [slang], skunk [slang], locoweed [N. Amer, slang], Mary Jane [slang], bud [N. Amer, slang]
    
4. [Brit, informal] Someone acting as an informer or decoy for the police
   "The grass provided crucial information that led to the arrest of the drug dealer";
   - fink [N. Amer, informal], snitch [informal], snitcher [informal], stoolpigeon [informal], stool pigeon [informal], stoolie [N. Amer, informal], sneak [informal], canary [N. Amer], snout [Brit, informal]
    
5. [Brit, informal] Someone who reports another person's wrongdoings to someone in authority
   "I told the teacher that I'm not a grass and didn't want to get involved";
   - telltale [Brit, informal], snitch [informal], tattletale [US, informal], talebearer [archaic], rat [informal], squealer [informal]
    
6. [Brit] A police informer who implicates many people
   "The grass provided information that led to multiple arrests in the criminal organization";
   - supergrass [Brit, informal]

1. Inform on someone to authorities or others in power
   "He grassed on his classmate who had cheated on the exam";
   - denounce, tell on, betray, give away, rat [informal], shop [informal], snitch [informal], stag, squeak [informal]
    
2. Completely cover with grass
   "The owners decided to grass their property";
   - grass over
    
3. Feed with grass
   "The farmer grassed his cattle in the meadow"
    
4. Spread out clothes on the grass to let it dry and bleach
   "In the old days, people would grass their laundry on sunny days"
    
5. Shoot down, of birds
   "The hunter grassed three pheasants"

1. German writer Günter Grass, known for novels, poetry and plays (1927-2015)
   "Grass won the Nobel Prize for Literature in 1999";
   - Gunter Grass, Gunter Wilhelm Grass

Derived forms: grassed, grasses, grassing

Type of: author, betrayer, blabber [informal], cannabis, cover, crop, dagga [S.Africa], fodder, ganja, graminaceous plant, gramineous plant, graze, hit, inform, informer, kef, kif, marihuana, marijuana, open, pasture, pip, rat [informal], shoot, spread, spread out, squealer, unfold, writer

Encyclopedia: Grass, John