Haldol

n. brand name of haloperidol, prescription drug used to treat psychosis and Tourette's syndrome (Medicine)

Haloperidol (sold under the tradenames Aloperidin, Bioperidolo, Brotopon, Dozic, Duraperidol (Germany), Einalon S, Eukystol, Haldol, Halosten, Keselan, Linton, Peluces, Serenace, Serenase, Sigaperidol) is a conventional, or typical, butyrophenone  antipsychotic drug with pharmacological effects similar to the phenothiazines.
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Hal·dol A trademark for the drug haloperidol. haloperidol lactate Haldol Pharmacologic class: Butyrophenone Therapeutic class: Antipsychotic [more]Haldol - Community and Resources

Noun
1. tranquilizer (trade name Haldol) used to treat some psychotic disorders and Tourette's syndrome
(synonym) haloperidol
(hypernym) major tranquilizer, major tranquillizer, major tranquilliser, antipsychotic drug, antipsychotic agent, antipsychotic, neuroleptic drug, neuroleptic agent, neuroleptic
(classification) trade name, brand name, brand, marque