Definition of fiddles:
(n) :
A violin, a small unfretted stringed instrument with four strings tuned (lowest to highest) G-D-A-E, usually held against the chin, shoulder, chest or on the upper thigh and played with a bow (see also usage notes below).
(n) :
(usually proscribed) Any of various other bowed stringed instruments, particularly those of the violin family when played non-classically.
(n) :
A violinist, or fiddler, in a band.
(v) :
(intransitive) To play the fiddle or violin, particularly in a folk or country style.
(v) :
(intransitive) To fidget or play; to fuss; to idly amuse oneself, to act aimlessly, idly, or frivolously, particularly out of nervousness or restlessness; see also fiddle with.
(n) :
(informal) A workaround; a quick and less than perfect solution for some flaw or problem.