Noun
diddley bow (plural diddley bows)
(music) A one-stringed instrument (monochord) that consists of a wire string attached to something solid like the side of a house, and played with a piece of metal or glass, originating in the African American traditional music of Mississippi in the United States.
diddley-bow (plural diddley-bows)
Alternative spelling of diddley bow
diddley-bow
History The technique of using a slide on a string has been traced to one-stringed African instruments citation similar to a " Diddley bow ". Source: Internet