1. (a) a single piece, nummus: (b) several pieces, and in opposition to greater coin, nummuli: (c) in general, coined pieces of silver, etc., nummi. OBSERVE: moneta is unclassical; so, too, the Greek nomisma (νόμισμα) is not found in the prose of the Golden Age: copper coin, aes signatum: silver coin, argentum signatum; also argentum only [Vid: MONEY]: good coin, nummi boni: counterfait or bad coin, nummi adulterini: to issue bad coin (i. e., to be a cainer of bad money), pecunias vitiare (Eutropius, 9, 14); monetam adulterinam exercere (Ulp., Dig., 48, 13, 6, § 1); nummos adulterinos percutere (after Suet., Ner., 25): Illyrian coin, pecunia Illyriorum signo signata: heavy coin, aes grave: great and small coin. nummi omnis notae: to pay in the same coin, par pari respondere (as wall PROP., e.g., Cic., Att, 16, 7. 6, as figuratively or proverbially, in a bad sense in Ter., Phormio, 1, 4, 34): par pari referre (not pro pari, Vid: Bentl, Ter., Eunuchus, 3. 1, 55), or parem gratiam referre alicui (ibid., 4, 4, 51; both = “returning like for like,” in good and bad sense.): paria paribus respondere, (Cic., ad Attic., 6, 1, 22, with regard to words; i. e., to reply to the letter of A ticus in the same style): a collection of coins. *nummotheca: one that understandes coins (antiquary). *rei nummariae paritus: the science or knowledge of coins (numismatics), *nummorum doctrina: to lecture on coins, *de nummis praecipere: assay of coins, spectatio pecuniae (Cic., Verr., 3, 77, etc.) species of coin, genus nummorum (Cic., Verr., 3, 78. 181); also nummus only, if in the sense of coin, money in general: the same coin, (i. e., pieces of the same value; e.g., in paying back money), corpora nummorum eadem (Papinian, Dig., 16, 3, 24): to pay in Roman coin, ad denarium solvere (Cic., Q., 4, extr.)