Pronunciation: (hep'tu-kôrd"), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/heptachord.html on line 73 [key]
1. a musical scale of seven notes.
2. an interval of a seventh.
3. an ancient Greek stringed instrument.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.