double-stop noun 2verb 1forms 4 noun2 •An instance of two notes being played simultaneously. •a chord or combination composed of two notes played on separate strings simultaneously.There has been some question concerning whether the downbeat of m. 19 should be a triple-stop with the open D string as the bottom note or a double-stop with the open A string as the bottom note. — 1999 verb1 •to play on two stopped strings of a stringed instrument simultaneously.Divisi in the orchestra greatly reduces the need for double-stopping, per se, in this form of string playing. — 1957 formsdouble-stopped · double-stopping · double-stops · double stops