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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History and Etymology for Macrobrachium

New Latin, from macr- + brachium

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