by‧law /ˈbaɪlɔː $ -lɒː/ noun [countable]
[Date: 1200-1300; Origin: Probably from an unrecorded Old Norse bylög, from byr 'town' + lög 'law']

1. a law made by a local government that people in that area must obey

2. American English a rule made by an organization to control the people who belong to it

[TahlilGaran] Dictionary of Contemporary English ▲