roach

Definition
(noun) a roll of hair brushed back from the forehead Definition
(noun) the butt of a marijuana cigarette Definition
(noun) street names for flunitrazepan Definition
(noun) any of numerous chiefly nocturnal insects; some are domestic pests Definition
(noun) European freshwater food fish having a greenish back Definition
(verb) comb (hair) into a roach Definition
(verb) cut the mane off (a horse)