nummŭlārĭus (nūm-), a, um, adj. [nummulus],
I of or belonging to moneychanging; as adj. very rare: mensa, Dig. 14, 3, 20.—
II Subst.: nummŭlārĭus (nūm- ), ii, m., a money-changer, moneybroker , mensarius (post-Aug.; cf. argentarius): nummulario, non ex fide versanti pecunias, manus amputavit mensaeque ejus affixit, Suet. Galb. 9; Petr. 56; Dig. 16, 3, 7; Mart. 12, 57, 8.—
B An officer of the mint who tested the silver before it was coined , Inscr. Orell. 3226; 3227.