Lewis & Short

2. centŭrĭātus, ūs, m. [1. centurio].

  1. I. A division into centuries, Liv. 22, 38, 3.
  2. II. [2. centurio.] The office of centurion, Cic. Imp. Pomp. 13, 37; id. Pis. 36, 88; Suet. Gram. 24.