angler

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. One who fishes with a hook.
2. n. A scheming person.
3. n. An anglerfish.

Century Dictionary and Cyclopedia

1. n. One who angles; a fisher with rod and line.
2. n. The fish Lophius piscatorius, the typical representative of the family Lophiidæ (which see). The name was introduced by Pennant in place of the earlier names fishing-frog and frogfish, in allusion to its attracting small fish, which are its prey, by the movement of certain filaments attached to the head and mouth. It is found on the coasts of Europe and America.
3. n. A general name of the pediculate fishes, from the presence of a modified free dorsal spine, or ‘fishing-rod,’ above the mouth.

Wiktionary

1. n. A person who fishes with a hook and line.
2. n. An angler fish.
3. n. Someone who tries to work an angle; a person who schemes or has an ulterior motive.
4. n. obsolete, slang Pilferers or petty thieves, who, with a stick having a hook at the end, steal goods out of shop-windows, grates, etc.

GNU Webster's 1913

1. n. One who angles.
2. n. (Zoöl.) 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.

WordNet 3.0

1. n. fishes having large mouths with a wormlike filament attached for luring prey
2. n. a fisherman who uses a hook and line
3. n. a scheming person; someone who schemes to gain an advantage