Medicine and Pharmacology. Originally: any medicinal preparation containing opium, used chiefly to induce sleep or relieve pain. Later: spec. any…

‘Opium, especially the thick treacle-like preparation used in opium-smoking’ (Cent. Dict. Suppl. 1909); hence applied to stupefying drugs and…

A narcotic drug; spec. opium.

U.S. slang. A hypnotic drug, esp. chloral hydrate. Cf. peterman, n. 4.

U.S. colloquial. A straw or tube through which drugs may be sniffed; (also, occasionally) the drug itself.

slang (originally U.S.). Any of various intoxicating or narcotic drugs, esp. heroin; such drugs collectively. Cf. junkie, n. 2a.

Originally U.S. A drug affecting mood or behaviour which is sold for non-medical purposes, esp. one whose use is prohibited or under strict legal…

Narcotics, ‘dope’. on the stuff, addicted to drugs, on drugs. slang (originally U.S.).

Any narcotic drug, esp. (formerly) morphine.

transferred and figurative uses, phrases, etc. slang (originally U.S.). A narcotic drug: spec. (a) heroin; brown sugar (see quot. 1974); (b) LSD…

slang (chiefly British). Drugs, narcotics; (also) a particular drug, esp. marijuana or heroin.

Narcotics; illegal drugs.

slang (originally U.S.). With the. A drug or drugs; narcotics. Cf. juice, n. 1f. rare.

A drug containing a mixture of hashish and opium.

slang. In plural. Any of various narcotic or illegal drugs.