roach

(noun) a roll of hair brushed back from the forehead.

(noun) the butt of a marijuana cigarette.

(noun) street names for flunitrazepan. Synonyms: R-2, Mexican valium, rophy, rope, roofy, forget me drug, circle.

(noun) any of numerous chiefly nocturnal insects; some are domestic pests. Synonyms: cockroach.

(noun) European freshwater food fish having a greenish back. Synonyms: Rutilus rutilus.

(verb) comb (hair) into a roach.

(verb) cut the mane off (a horse).