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grass crab

noun
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Definition of grass crab

: a shallow-water spider crab (Macrocoeloma trispinosum) brownish in color, covered with short velvety hairs, and common alongshore from North Carolina to Brazil

— called also sponge crab

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“Grass crab.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/grass%20crab. Accessed 29 Jan. 2022.

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