a chair back having a solid splat similar in form to that of a fiddle.
fid•dle•backPronunciation: (fid'l-bak"), [key]
something shaped like a fiddle.
resembling the back or outline of a violin.
(of a veneer figure) having close, fine, dark stripes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.