Hypertext Webster Gateway: "postabdomen"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Post-abdomen \Post`-ab*do"men\, n. [Pref. post- + abdomen.]
(Zo["o]l.)
That part of a crustacean behind the cephalothorax; -- more
commonly called {abdomen}.
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