(n.pl.) A group of Coelenterata, including the Medusae or jellyfishes, and hydroids; -- so called from the stinging power they possess. Sometimes called sea nettles.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). acalephae. Retrieved September 21, 2026, from http://smartdefine.org/acalephae/definitions/1970038 |
| Chicago | Webster's. 2011. "acalephae" http://smartdefine.org/acalephae/definitions/1970038 (accessed September 21, 2026). |
| Harvard | Webster's 2011, acalephae, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/acalephae/definitions/1970038>. |
| MLA | Webster's. "acalephae" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/acalephae/definitions/1970038> |