A violin, especially when used to play folk music. The musician played a lively tune on his fiddle at the country fair.
An act of cheating or swindling. The accountant was caught in a fiddle involving the company's finances.
A contrivance, such as a raised rim, to prevent things from rolling or sliding off a table in a ship. The sailor secured the dishes with a fiddle to keep them from falling during the storm.
A task or action that is fiddly, awkward, or requires careful attention; a hassle (chiefly British, informal). Changing the tiny batteries is a bit of a fiddle.
Music played on a fiddle, especially in a folk style. The festival featured hours of traditional Appalachian fiddle.