capo

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 device fitted across all the strings of a guitar, banjo, etc, so as to raise the pitch of each string simultaneously: Also called: capo tasto (ˈkæpəʊ ˈtæstəʊ) Compare barré

the presumed title of a Mafia leader