trĭbŭārĭus, a, um, adj. [tribus],
of or belonging to a tribe or tribes : crimen sodalitiorum, i. e. a bribing of the tribes , Cic. Planc. 19, 47: res, id. ib. 15, 36.
tribuārius adj. tribus, of a tribe, of tribes : crimen, i. e. a bribing of the tribes ...
An Elementary Latin Dictionary