psychiatry n 1: the branch of medicine dealing with the diagnosis and treatment of mental disorders [syn: {psychiatry}, {psychopathology}, {psychological medicine}]
Psychiatria \Psy*chi`a*tri"a\, Psychiatry \Psy*chi"a*try\, n. [NL. psychiatria, fr. Gr. ? the mind + ? healing.] (Med.) The application of the healing art to mental diseases. --Dunglison. [1913 Webster]