n.
Pronunciation: ' mä-n ə - ˌ ko ̇ rd
Function: noun
Etymology: Middle English monocorde, from Middle French, from Medieval Latin monochordum, from Greek monochordon, from mon- + chord ē string ― more at YARN
Date: 15th century
: an instrument of ancient origin for measuring and demonstrating the mathematical relations of musical tones and that consists of a single string stretched over a sound box and a movable bridge set on a graduated scale