Source : Webster's Revised Unabridged Dictionary (1913)

Frogfish \Frog"fish`\, n. (Zo["o]l.)
   (a) See {Angler}, n., 2.
   (b) An oceanic fish of the genus {Antennarius} or
       {Pterophrynoides}; -- called also mousefish and toadfish.

Source : WordNet®

frogfish
     n : fish having a frog-like mouth with a lure on the snout
     [also: {frogfishes} (pl)]