† decaˈchordonObs. (In 7 -cordon.) [a. Gr. δεκάχορδον: see prec.] =prec. B. Also fig. 1602W. Watson (title), Decacordon of Ten Quodlibeticall Questions concerning Religion and State.1613R. C. Table Alph., Decacordon, an instrument with tenne strings.