box jellyfish(redirected from Box jelly)
Also found in: Medical.
Any of several jellyfishlike marine cnidarians of the class Cubozoa of tropical and subtropical waters, having an almost transparent cube-shaped body, complex eyes, and stinging tentacles containing potent toxins in some species.
(Animals) any of various highly venomous jellyfishes of the order Cubomedusae, esp Chironex fleckeri, of Australian tropical waters, having a cuboidal body with tentacles hanging from each of the lower corners. Also called (Austral): sea wasp