1) (noun) the grey debris given off as a result of burning.
2) (verb) a method of drug use in which the drug (in the case of, for example, meth or crack), or a medium containing the drug (in the case of, for example, a herb such as tobacco or cannabis), is burned and the resulting smoke inhaled for its
psychoactive effects. the psychoactive
constituents are given off in the smoke and absorbed in the lungs of the user. smoking is
one of the most efficient ways to consume a drug, but can be hazardous to lung health, especially if done regularly. smoking paraphernalia include cigarettes, bongs and pipes.
3) (verb) to kill, esp. by shooting.
4) (noun) a cigarette.