Roach

n.	1.	(Zool.) A cockroach.
	1.	(Zool.) A European fresh-water fish of the Carp family (Leuciscus rutilus). It is silver-white, with a greenish back.
	2.	(Naut.) A convex curve or arch cut in the edge of a sail to prevent chafing, or to secure a better fit. As sound as a roach perfectly sound.
v. t.	1.	To cause to arch.
	2.	To cut off, as a horse's mane, so that the part left shall stand upright.

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

(jargon)

roach - A Bell Labs term meaning destroy, especially of a data structure. Hardware gets toasted or fried, software gets roached.

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