Mōn'o-chōrd, n.

(-kōrd), n. [Gr. μονόχορδον, from μονόχορδος, with but one string, μόνος, only, single, and χορδή, string; Fr. monocorde. Cf. MANICHORD.]

(Mus.) An instrument for experimenting upon the mathematical relations of musical sounds. It consists of a single string stretched between two bridges, one or both of which are movable, and which stand upon a graduated rule for the purpose of readily changing and measuring the length of the part of the string between them.