The nearly flat part of the bottom of the hull both inside and out. 'Bilge' is also the foul water that collects inside the ship in the bilges.
Eyona ndawo iphantse yasicaba yomphantsi wesiqu senqanawa macala omabini nangaphandle. Ibilge ikwa yifoul yamanzi eqokelela ngaphakathi enqanaweni apho kujika ibilge.