Octachord n. : An instrument of eight strings; a system of eight tones.

Example:


Taxonomy
octachord, Webster's New World College Dictionary, yourdictionary, pronunciation, dictionary, stringed musical instrument, online dictionary, chord, thesaurus, websters, synonyms, usage examples, quotes, äk, kôrd, octave, diatonic scale, Etymology.

Defination from the web:
octachord from Webster's New World College Dictionary. Meaning of octachord. Pronunciation of octachord. Definition of the word octachord. ... octachord. octachord definition. oc·ta·chord (äk′tə kôrd′) noun. an octave of the diatonic scale. any eight-stringed musical instrument ...