sea wasp

noun

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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sea wasp

noun

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

More from Merriam-Webster on sea wasp

Britannica.com: Encyclopedia article about sea wasp

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