Source : Webster's Revised Unabridged Dictionary (1913)

Frogmouth \Frog"mouth`\, n. (Zo["o]l.)
   One of several species of Asiatic and East Indian birds of
   the genus {Batrachostomus} (family {Podargid[ae]}); -- so
   called from their very broad, flat bills.

Source : WordNet®

frogmouth
     n : insectivorous bird of Australia and southeastern Asia having
         a wide frog-like mouth