Macrinus in Roman Biography

Ma-cri'nus, [Fr. Macrin, mfkitiN',] (M. Opelius or Oi'iLius,). a Roman emperor, was born of obscure parents in Mauritania in 164 A.n. He obtained the high office of prefect of the praetorians under Caracalla. In April, 217 A.D., he instigated the assassination of Caracalla, and was proclaimed emperor by the army, whose choice was confirmed by the senate. In the same year he was defeated by the Parthians at Nisibis. He was defeated near Antioch in June, 218, by the partisans of Elagabalus, and put to death. See Tillemont, " Histoire des Empereurs;" " Nouvelle Bicgraphie Generale."