timbre

/T IH1 M B ER0/
noun
  1. 1

    The quality of a sound independent of its pitch and volume.

  2. 2

    The pitch of a sound as heard by the ear, described relative to its absolute pitch.

    โ€œWhen someone speaks after inhaling helium, their voice has a higher timbre. With sulfur hexafluoride, the result is a lower timbre.โ€

  3. 3

    The crest on a coat of arms.

Source: https://en.wiktionary.org/wiki/timbre