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

Stake-driver \Stake"-driv`er\, n. (Zo["o]l.)
   The common American bittern ({Botaurus lentiginosus}); -- so
   called because one of its notes resembles the sound made in
   driving a stake into the mud. Called also {meadow hen}, and
   {Indian hen}.

资料来源 : WordNet®

Botaurus lentiginosus
     n : a kind of bittern [syn: {American bittern}, {stake driver}]