Entry 3 senses · 2 variants Webster, 1913 Timbre /tăm'bər/ · Tim·bre · IPA /ˈtæm.bɚ/ n. n. 01 n. See 1st Timber. 1. See 1st Timber. See: Timber 02 n. The crest on a coat of arms. 1. The crest on a coat of arms.(Her.) 2. 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.(Mus.) See: Tone, Partial