n.; pl.Bilboes1. A rapier; a sword; so named from Bilbao, in Spain. Shak. [ 1913 Webster ]
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. [ 1913 Webster ]
Methought I lay Worse than the mutines in the bilboes. Shak. [ 1913 Webster ]