roach (redirected from Rohypnol)

roach: see cockroach.

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roach

Common European sport fish (Rutilus rutilus) of the carp family (Cyprinidae), found in lakes and slow rivers. A high-backed, yellowish green fish with red eyes and reddish fins, the roach is 6–16 in. (15–40 cm) long and weighs up to 4.5 lbs (2 kg). It lives in small schools and eats plants, insects, and small animals. It is sometimes eaten or used as bait. In North America, other fishes are called roach, including the rudd, the golden shiner (both cyprinids), and several members of the sunfish family (Centrarchidae).

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roach¹

1. a European freshwater cyprinid food fish, Rutilus rutilus, having a deep compressed body and reddish ventral and tail fins

2. any of various similar fishes

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roach²

1. short for cockroach

2. Slang the butt of a cannabis cigarette

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roach³ Nautical

1. the amount by which the leech of a fore-and-aft sail projects beyond an imaginary straight line between the clew and the head

2. the curve at the foot of a square sail

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roach [rōch]

(invertebrate zoology)

An insect of the family Blattidae; the body is wide and flat, the anterior part of the thorax projects over the head, and antennae are long and filiform, with many segments. Also known as cockroach.

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(jargon)

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