n. A drug originally taken in the form of powder ("dust") for its hallucinogenic effects. Syn. -- phencyclidine hydrochloride, angel dust. [ WordNet 1.5 ]
(n)a drug used as an anesthetic by veterinarians; illicitly taken (originally in the form of powder or `dust') for its effects as a hallucinogen, Syn.angel dust, phencyclidine hydrochloride, PCP