Answer: fiddlebacks

AnswerCrossword Clue
fiddlebacksFIDDLEBACK, a wavy grain found in some woods commonly used for the manufacture of violins
fiddlebacksA rippled effect in the grain of fine wood, often exploited when making the backs of violins
fiddlebacksA thing shaped like the back of a violin, with the sides deeply curved inward, in particular
fiddlebacksThe back of a chair