n. One who plays on a fiddle or violin. (Zool.) 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, hence the name; - called also calling crab, soldier crab, and fighting crab.
- (Zool.) The common European sandpiper (Tringoides hypoleucus); - so called because it continually oscillates its body. Fiddler crab. (Zool.) See Fiddler, n.