MONOCHORD
Etymology
Noun
monochord (plural monochords)
A musical instrument for experimenting with the mathematical relations of musical sounds, consisting of a single string stretched between two bridges, one or both of which can be moved, and which stand upon a graduated rule for the purpose of changing and measuring the length of the part of the string between them.
A stringed instrument with only one string.
Synonyms
• kanon (used in the context of ancient Greek music)
Source: Wiktionary
Mon"o*chord, n. Etym: [L. monochordon, Gr. monocorde. See Chord, and
cf. Mainchord.] (Mus.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition