CENTUMVIRI, civil law. the citizens of Rome were distributed into thirty-five tribes, and three persons out of each tribe were elected judges, who were called centumviri, although they were one hundred and five in number. They were distributed into four different tribunals, but in certain causes called centumvirales causas, the judgments of the four tribunals were necessary. Vicat,.ad verb.; 3 Bl. Com. 315.