Fid·dle n.
 1. Mus. A stringed instrument of music played with a bow; a violin; a kit.
 2. Bot. A kind of dock (Rumex pulcher) with fiddle-shaped leaves; -- called also fiddle dock.
 3. Naut. A rack or frame of bars connected by strings, to keep table furniture in place on the cabin table in bad weather.
 Fiddle beetle Zool., a Japanese carabid beetle (Damaster blaptoides); -- so called from the form of the body.
 Fiddle block Naut., a long tackle block having two sheaves of different diameters in the same plane, instead of side by side as in a common double block. --Knight.
 Fiddle bow, fiddlestick.
 Fiddle fish Zool., the angel fish.
 Fiddle head, See fiddle head in the vocabulary.
 Fiddle pattern, a form of the handles of spoons, forks, etc., somewhat like a violin.
 Scotch fiddle, the itch. (Low)
 To play first fiddle, or  To play second fiddle, to take a leading or a subordinate part. [Colloq.]