Definify.com
Webster 1913 Edition
Pentachord
Pen′ta-chord
,Noun.
[L.
pentachordus
five-stringed, Gr. πεντάχορδος
; πεντα-
five + χορδή
string.] 1.
An ancient instrument of music with five strings.
2.
An order or system of five sounds.
Busby.
Webster 1828 Edition
Pentachord
PEN'TACHORD
,Noun.
1.
An instrument of music with five strings.2.
An order or system of five sounds.