acaleph

[ ak-uh-lef ]

/ ˈæk əˌlɛf /

(in former classifications) any coelenterate of the group Acalephae, including the sea nettles and jellyfishes.

Also ac·a·lephe

[ak-uh-leef] /ˈæk əˌlif/.

Origin of acaleph

1700–10; < New Latin acalepha < Greek akalḗphē stinging nettle, sea anemone

And throughout considerable portions of their bodies, some of the Acaleph exhibit more or less distinctly this type of structure.

Illustrations of Universal Progress |Herbert Spencer
It exists occasionally in considerable numbers on the internal surface of some Acaleph of the ocean and of the Mediterranean.

Animal Parasites and Messmates |P. J. Van Beneden
The medus are often termed the Acaleph—a word which signifies nettles, and they are popularly known as sea nettles.

The Sea Shore |William S. Furneaux
Perhaps they too act like the venomous matter produced in the thread-capsules of the Acaleph.

Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index |Ernst Haeckel

The color of this pretty Acaleph varies from a greenish hue to green, with a faint tinge of red, or to a reddish brown.

Seaside Studies in Natural History |Elizabeth Cabot Cary Agassiz

acaleph

/ (ˈækəˌlɛf) /

obsolete any of the coelenterates of the former taxonomic group Acalephae, which included the jellyfishes

C18: from New Latin, from Greek akalēphē a sting