Lustral
Pronunciation : Lus"tral
Part of Speech : a.
Etymology : [L. lustralis, fr. lustrum: cf. F. lustral. See Lustrum.]
Definition : 1. Of or pertaining to, or used for, purification; as, lustral days; lustral water.
2. Of or pertaining to a lustrum.
Source : Webster's Unabridged Dictionary, 1913