資料來源 : pyDict

五弦琴,五音音階

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Pentachord \Pen"ta*chord\, n. [L. pentachordus five-stringed,
   Gr. ?; ? five + ? string.]
   1. An ancient instrument of music with five strings.

   2. An order or system of five sounds. --Busby.