- (a.) Of or pertaining to or used for, purification; as, lustral days; lustral water.
- (a.) Of or pertaining to a lustrum.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Lustral. Retrieved September 28, 2026, from http://smartdefine.org/lustral/definitions/2029300 |
| Chicago | Webster's. 2011. "Lustral" http://smartdefine.org/lustral/definitions/2029300 (accessed September 28, 2026). |
| Harvard | Webster's 2011, Lustral, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/lustral/definitions/2029300>. |
| MLA | Webster's. "Lustral" 27 May 2011. Web. 28 September 2026. <http://smartdefine.org/lustral/definitions/2029300> |