swimming crab

noun

Definition of swimming crab

: any of numerous marine crabs especially of the family Portunidae that have some of the joints of one or more pairs of legs flattened and fringed so as to serve as fins

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Cite this Entry

“Swimming crab.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/swimming%20crab. Accessed 17 Jun. 2021.

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