Fiddler

Noun

1. One who plays the fiddle.
2. One who fiddles; a cheat.
3. One who fiddles or tweaks.
4. A burrowing crab of the genus Gelasimus, of many species. The male has one claw very much enlarged, and often holds it in a position similar to that in which a musician holds a fiddle.
5. The common European sandpiper (Actitis hypoleucos); so called because it habitually wags its tail up and down resembling the back and forth movement of a fiddler.