dĕcŭrĭātus, ūs, m. [1. decurio],
a dividing into decuriae : ubi (milites) ad decuriatum aut centuriatum convenissent, Liv. 22, 38.
decuriātus ūs, m decurio, a dividing into decuriae : ad decuriatum convenire, L. ...
An Elementary Latin Dictionary