1. [adjective] Of or relating to tones or tonality.
2. [adjective] (music) Employing tones that have a predictable relationship to some tonic.
3. [adjective] (linguistics) Employing differences in pitch (tones) to distinguish differences in the meaning of otherwise similar words (words which would otherwise be homophonic).
4. [noun] (in Mesoamerican mythology) An animal companion which accompanies a person from birth to death.
5. [adjective] Employing variations in pitch to distinguish meanings of otherwise similar words; 'Chinese is a tonal language'.
6. [adjective] Having tonality; i.e. tones and chords organized in relation to one tone such as a keynote or tonic.
