mercēdŏnĭus, a, um, adj. [1. merces-do],
I of or belonging to the payment of wages : Mercedonios (dies) dixerunt a mercede solvendā, on which wages are paid, pay-days , Paul. ex Fest. p. 124 Müll.—
II Subst.: mercēdŏnĭus , ii, m., a payer of wages, paymaster : mercedonius, qui solvit mercedem; ‡ mercedarius ( an employer ), qui dat mercedem pro labore sibi impenso, Gloss. Isid. 37. ‡†
2 Mercēdŏnĭus or Mercēdī-nus , = Μερκηδόνιος, Μερκεδῖνος, mensis, an intercalary month of 22 or 23 days, inserted every two years in the calendar of Numa , Vet. Kalend. Rom. ap. Grut. 133; cf. so Laur. Lyd. de Mens. 4, 92.