The Collaborative International Dictionary
Acalephoid
Acalephoid \Ac`ale"phoid\, a. [Acaleph + -oid.] (Zo["o]l.) Belonging to or resembling the Acaleph[ae] or jellyfishes.
Wiktionary
acalephoid
a. (context zoology English) Belonging to or resembling the Acalephae; or jellyfishes.