Source : Webster's Revised Unabridged Dictionary (1913)

Angler \An"gler\, n.
   1. One who angles.

   2. (Zo["o]l.) A fish ({Lophius piscatorius}), of Europe and
      America, having a large, broad, and depressed head, with
      the mouth very large. Peculiar appendages on the head are
      said to be used to entice fishes within reach. Called also
      {fishing frog}, {frogfish}, {toadfish}, {goosefish},
      {allmouth}, {monkfish}, etc.

Source : WordNet®

angler
     n 1: a scheming person; someone who schemes to gain an advantage
     2: a fisherman who uses a hook and line [syn: {troller}]
     3: fishes having large mouths with a wormlike filament attached
        for luring prey [syn: {goosefish}, {anglerfish}, {angler
        fish}, {monkfish}, {lotte}, {allmouth}, {Lophius
        Americanus}]