Oxford Dictionary English

    by-law

    noun
    noun
    BrE BrE//ˈbaɪ lɔː//
    ; NAmE NAmE//ˈbaɪ lɔː//
    (also bye-law)
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  1. 1(British English) a law that is made by a local authority and that applies only to that area
  2. 2(North American English) a law or rule of a club or company
    3.  Word OriginMiddle English: probably from obsolete byrlaw ‘local law or custom’, from Old Norse býjar, genitive singular of býr ‘town’, but associated with by.
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