heptachord adjective & noun.
['hɛptǝkɔ:d] E18.[In senses A., B.1 from Greek heptakhordos seven-stringed from HEPTA- + khordē string (see CORD noun1). In sense B.2, 3 from HEPTA- + CHORD noun1.]Music.
A. adjective. Seven-stringed.
E-M18.b. noun.
1. Any musical instrument of seven strings.
M18.2. The interval of a seventh.
M18.3. A scale of seven notes; the modern major or minor scale.
L18. [TahlilGaran] English Dictionary ▲