rauduscŭlum (rōd- and rūd-), i, n. dim. [raudus].
I A little piece of brass used as a coin (an old word): in mancipando cum dicitur: Rudusculo libram ferito, asse tangitur libra, Fest. s. v. rodus, p. 265 Müll.; v. raudus.— Hence,
II Transf., a small sum of money : de raudusculo Numeriano multum te amo, in regard to that little debt of Numerius , Cic. Att. 7, 2, 7: de raudusculo quod scribis, id. ib. 4, 8, a, § 1.