noun

1. A stringed musical instrument (chordophone), usually with a round body, a membrane-like soundboard and a fretted neck, played by plucking or strumming the strings.

   "I come from Alabama with my banjo on my knee..."

2. Any of various similar musical instruments, such as the Tuvan doshpuluur, with a membrane-like soundboard.

3. An object shaped like a banjo, especially a frying pan or a shovel.

4. (Dagenham) A cul-de-sac with a round end.