† ˈlustrical, a. Rom. Antiq. Obs.
[f. L. lūstric-us, f. lustrum: see -ical.]
Pertaining to purification. Only in lustrical day (L. dies lustricus): see quots.
| 1623 Cockeram, Lustricall day, ones christning day. 1741 Middleton Cicero I. i. 6 This name was..imposed..on the ninth day, called the lustrical, or day of purification. |