Definition of bilge noun from the Oxford Advanced Learner's Dictionary

     

    bilge

     noun
    noun
    BrE BrE//bɪldʒ//
     
    ; NAmE NAmE//bɪldʒ//
     
    Parts of boats and ships, Travelling by boat or ship
     
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  1. 1[countable] (also bilges [plural]) the almost flat part of the bottom of a boat or a ship, inside or outside See related entries: Parts of boats and ships, Travelling by boat or ship
  2. 2(also bilge water) [uncountable] dirty water that collects in a ship’s bilge
  3. Word Origin late 15th cent.: probably a variant of bulge.
See the Oxford Advanced American Dictionary entry: bilge