ūsūrārĭus, a, um, adj. [usura].
I That serves or is fit for use , of which one has the use or enjoyment , = usuarius: puer, Plaut. Curc. 3, 12: uxor, id. Am. 1, 2, 36.—
II Of or belonging to interest or usury , that pays interest : aera, Plaut. Truc. 1, 1, 53: pecunia, at interest , Dig. 16, 2, 11: debitum, ib. 3, 5, 5 fin. ; 3, 5, 37 fin. : debitor, ib. 21, 1, 7.