Source : Webster's Revised Unabridged Dictionary (1913)

Timbre \Tim"bre\, n.
   See 1st {Timber}.

Timbre \Tim"bre\, n. [F., a bell to be struck with a hammer,
   sound, tone, stamp, crest, in OF., a timbrel. Cf. {Timbrel}.]
   1. (Her.) The crest on a coat of arms.

   2. (Mus.) The quality or tone distinguishing voices or
      instruments; tone color; clang tint; as, the timbre of the
      voice; the timbre of a violin. See {Tone}, and {Partial
      tones}, under {Partial}.

Source : WordNet®

timbre
     n : (music) the distinctive property of a complex sound (a voice
         or noise or musical sound); "the timbre of her soprano
         was rich and lovely"; "the muffled tones of the broken
         bell summoned them to meet" [syn: {timber}, {quality}, {tone}]