Lewis & Short

dĭrĭbĭtor, ōris, m. [diribeo],

  1. I. the separater or sorter of the ballots used in voting, Cic. Pis. 15, 36; id. post Red. in Sen. 11, 28; Aus. Grat. Act. 5.
  2. II. Transf., in gen., a distributor, App. M. 2, 32, p. 137 ed. Oud.; Amm. 18, 5, 6.