Defn: A subdivision of decapod Crustacea, having the abdomen largely developed. It includes the lobster, prawn, shrimp, and many similar forms. Cf. Decapoda.
MACRURAL
Ma*cru"ral, a. (Zoöl.)
Defn: Same as Macrurous.
MACRURAN
Ma*cru"ran, n. (Zoöl.)
Defn: One of the Macrura.
MACRUROID
Ma*cru"roid, a. Etym: [Macrura + -oid.] (Zoöl.)
Defn: Like or pertaining to the Macrura.
MACRUROUS
Ma*cru"rous, a. (Zoöl.)
Defn: Of or pertaining to the Macrura; having a long tail.
MACTATION
Mac*ta"tion, n. Etym: [L. mactatio, fr. macture to slay, sacrifice.]