endpin

end +‎ pin

endpin (plural endpins)

1. (music, lutherie) The spike of a cello or double bass that makes contact with the floor and supports the weight of the instrument.
   • 2007 July 8, Jesse Green, “Let Her Entertain You. Please!”, in New York Times‎:

     Among the ensemble’s strange, outmoded, “original” instruments — the feral horns, sour violins, wooden flutes, cellos without endpins — she seemed right at home, despite her Broadway provenance.

2. (lutherie) Synonym of endbutton.

• pinned