D defs.my
Entry 2 senses Webster, 1913

Bilbo

/bĭl'-bōˌ/ · Bil·bo · IPA /ˈbɪlbəʊ/
01 n. A rapier; a sword; so named from Bilbao, in Spain.
pl. Bilboes
  1. 1.
    A rapier; a sword; so named from Bilbao, in Spain.
  2. 2.
    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.