sea wasp


Definition of sea wasp

: an extremely venomous box jellyfish (Chironex fleckeri) of Australia that has a bell that may reach over 11 inches (28 centimeters) in width with tentacles that may reach a length of over 78 inches (2 meters) Among Cubomedusae, or box jellyfish, the sea wasp—Chironex fleckeri—can kill you in three minutes flat.— Polly Shulman

First Known Use of sea wasp

1910, in the meaning defined above

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The first known use of sea wasp was in 1910

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Cite this Entry

“Sea wasp.” Dictionary, Merriam-Webster, Accessed 25 Oct. 2020.

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sea wasp


Medical Definition of sea wasp

: any of various scyphozoan jellyfishes (order or suborder Cubomedusae) of tropical waters that inflict a painful and sometimes fatal sting

called also box jellyfish

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