- (n.) See Involucre.
- (n.) A sheath which surrounds the base of the lasso cells in the Siphonophora.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). involucrum. Retrieved September 20, 2026, from http://smartdefine.org/involucrum/definitions/2023534 |
| Chicago | Webster's. 2011. "involucrum" http://smartdefine.org/involucrum/definitions/2023534 (accessed September 20, 2026). |
| Harvard | Webster's 2011, involucrum, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/involucrum/definitions/2023534>. |
| MLA | Webster's. "involucrum" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/involucrum/definitions/2023534> |