acalephae Meaning, Definition & Usage

Ac`a*le"phæ noun plural (Also<
  • Acalephae
  • Acalephæ
)
Etymology
NL., from Gr. , a nettle.
Definitions
  1. A group of Coelenterata, including the Medusæ or jellyfishes, and hydroids; -- so called from the stinging power they possess. Sometimes called sea nettles.

Webster 1913