roach in WordNet English dictionary

1. street names for flunitrazepan
   R-2  Mexican valium  rophy  rope  roofy  roach  forget me drug  circle 
   
2. any of numerous chiefly nocturnal insects; some are domestic pests
   cockroach  roach 
   
3. European freshwater food fish having a greenish back
   roach  Rutilus rutilus 
   
4. the butt of a marijuana cigarette
   roach 
   
5. a roll of hair brushed back from the forehead
   roach 
   

1. cut the mane off (a horse)
   roach 
   
2. comb (hair) into a roach
   roach