primus
pri.mus \'pri--m*s\ n [ML, one who is first, magnate, fr. L, first - more at PRIME] often cap : the first in dignity of the bishops of the Episcopal Church in Scotland who has certain privileges but no metropolitan authority
Webster's English Dictionarypri.mus \'pri--m*s\ n [ML, one who is first, magnate, fr. L, first - more at PRIME] often cap : the first in dignity of the bishops of the Episcopal Church in Scotland who has certain privileges but no metropolitan authority