lustrālis, e, adj. [2. lustrum], relating to purification from guilt or the appeasing of the gods, lustral.
I Lit.: sacrificium, a sacrifice of purification, a propitiatory offering , Liv. 1, 28: aqua, lustral water, holy water , Ov. P. 3, 2, 73: exta, Verg. A. 8, 183: hostiae, Ap. Mag. p. 304 fin. : vota, Val. Fl. 3, 414: caput, atoning (of Iphigenia), Sen. Agam. 163.—
II [V. 2. lustrum.] Of or belonging to a period of five years, quinquennial : certamen, Tac. A. 6, 4: aurum, a tax levied every five years on petty shopkeepers, usurers, and brothel-keepers : AVRI LVSTRALIS COACTOR, Inscr. Grut. 347, 4: collatio, Cod. Th. 13, tit. 1: census Romae, Ulp. Regul. 1, 8.—Hence, subst.: lustrālis , is, m., the collector of this tax , Inscr. Fabr. p. 426, n. 458.