In music, a stick holding lengths of stretched horsehair which is drawn across the strings of a member of the violin or viol family in order to produce sound. Before the 17th century bows were convex, but changes in violin technique prompted the development of concave bows, perfected by François Tourte (1747–1835) at the end of the 18th century.
Unusual instruments that have been played with a bow include the glass harmonica and musical saw.
Sorte de baguette droite un peu recourbée ŕ son extrémité, qui a pour cordes plusieurs crins de cheval, et dont on se sert pour tirer le son d'une contrebasse, d'une basse, d'un violon, etc.