'Pentachord' definitions:

Definition of 'Pentachord'

From: GCIDE
  • Pentachord \Pen"ta*chord\, n. [L. pentachordus five-stringed, Gr. penta`chordos; penta- five + chordh` string.]
  • 1. An ancient instrument of music with five strings. [1913 Webster]
  • 2. An order or system of five sounds. --Busby. [1913 Webster]