CAPO
- a movable bar attached to the fingerboard of a fretted instrument to uniformly raise the pitch of all the strings
- any of various devices for a guitar, lute, banjo, etc., that when clamped or screwed down across the strings at a given fret will raise each string a corresponding number of half tones
- the nut of a guitar, lute, banjo, etc.
- the chief of a branch of the Mafia
- a pitch-raising device for fretted instruments [n CAPOS]