Word Study
Macrura
CIDE DICTIONARY
Macrura, n. pl. [NL., fr. Gr. long + tail.].
A subdivision of decapod Crustacea, having the abdomen largely developed. It includes the lobster, prawn, shrimp, and many similar forms. Cf. Decapoda. [1913 Webster]
For further exploring for "Macrura" in Webster Dictionary Online
