\Bil"bo\, n.; pl. {Bilboes}.
1. A rapier; a sword; so named from Bilbao, in Spain. --Shak.

2. pl. A long bar or bolt of iron with sliding shackles, and
   a lock at the end, to confine the feet of prisoners or
   offenders, esp. on board of ships.

         Methought I lay Worse than the mutines in the
         bilboes.                              --Shak.