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Macrobrachium

noun Mac·ro·brachium \ ¦makrō+ \

Definition of Macrobrachium

: a genus of large stout chiefly tropical shrimps including one (M. jamaicenœ) that occurs in freshwaters of Florida and the Gulf coast to Brazil and sometimes attains a length of 17 inches and a weight of over 3 pounds

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Origin and Etymology of macrobrachium

New Latin, from macr- + brachium

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