dĭrĭbĭtĭo, ōnis, f. [diribeo],
a separating or sorting of the tablets taken from the ballot-box , Cic. Planc. 6, 14; Symm. Laud. in Patr. 3, p. 40 ed. Mai.
diribitiō ōnis, f diribeo, a separation, sorting, canvass (of ballots). ...
An Elementary Latin Dictionary