heptachord

English

Etymology

From Ancient Greek ἑπτάχορδος (heptákhordos, “seven-stringed”), from ἑπτά (heptá, “seven”) + χορδή (khordḗ, “chord”). Compare French heptacorde.

Noun

heptachord (plural heptachords)

1. (music) A system of seven sounds.
2. (music) A lyre with seven chords.
3. (poetry) A composition sung to the sound of seven chords or tones.

References

• “heptachord”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.