'major tranquilizer' definitions:
Definition of 'major tranquilizer'
From: WordNet
noun
Tranquilizer used to treat psychotic conditions when a calming effect is desired [syn: major tranquilizer, major tranquillizer, major tranquilliser, antipsychotic drug, antipsychotic agent, antipsychotic, neuroleptic drug, neuroleptic agent, neuroleptic]