1 water scorpion | Definition of water scorpion

water scorpion

noun

Definition of water scorpion

: any of numerous aquatic bugs (family Nepidae) with the end of the abdomen prolonged by a long breathing tube

First Known Use of water scorpion

1668, in the meaning defined above

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More from Merriam-Webster on water scorpion

Britannica.com: Encyclopedia article about water scorpion