bilboes
noun
[ ˈbɪlbəʊz ]
• an iron bar with sliding shackles, formerly used for confining a prisoner's ankles.
Origin:
mid 16th century: of unknown origin.
bilbo
noun
• a sword used in former times, noted for the temper and elasticity of its blade.
Origin:
mid 16th century: from Bilboa, an earlier English form of the name Bilbao, noted for the manufacture of fine blades.