资料来源 : Webster's Revised Unabridged Dictionary (1913)

Hippa \Hip"pa\, Hippe \Hip"pe\, n. (Zo["o]l.)
   A genus of marine decapod crustaceans, which burrow rapidly
   in the sand by pushing themselves backward; -- called also
   {bait bug}. See Illust. under {Anomura}.