Source : Webster's Revised Unabridged Dictionary (1913)

Shoebill \Shoe"bill`\, n. (Zo["o]l.)
   A large African wading bird ({Bal[ae]niceps rex}) allied to
   the storks and herons, and remarkable for its enormous broad
   swollen bill. It inhabits the valley of the White Nile. See
   Illust. (l.) of {Beak}.

Source : WordNet®

Balaeniceps rex
     n : large stork-like bird of the valley of the White Nile with a
         broad bill suggesting a wooden shoe [syn: {shoebill}, {shoebird}]