frog crab

noun

Definition of frog crab

: any of numerous crabs constituting the family Raninidae, having an elongated carapace, flattened legs, and a stance like that of a frog, and being widely distributed in shallow or moderately deep tropical seas

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First Known Use of frog crab

1876, in the meaning defined above

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The first known use of frog crab was in 1876

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