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

      

    branch

     noun
    noun
    BrE BrE//brɑːntʃ//
     
    ; NAmE NAmE//bræntʃ//
     
    Rivers and lakes, Railway tracks and stations, Family background, Plants
     
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    of tree
  1. 1   a part of a tree that grows out from the main stem and on which leaves, flowers and fruit grow She climbed the tree and hid in the branches. See related entries: Plants
  2. of company
  3. 2  a local office or shop/store belonging to a large company or organization The bank has branches all over the country. Our New York branch is dealing with the matter.
  4. of government
  5. 3  a part of a government or other large organization that deals with one particular aspect of its work synonym department the anti-terrorist branch
  6. of knowledge
  7. 4  a division of an area of knowledge or a group of languages the branch of computer science known as ‘artificial intelligence’
  8. of river/road
  9. 5a smaller or less important part of a river, road, railway/railroad, etc. that leads away from the main part a branch of the Rhine a branch line (= a small line off a main railway line, often in country areas) See related entries: Rivers and lakes, Railway tracks and stations
  10. of family
  11. 6a group of members of a family who all have the same ancestors My uncle's branch of the family emigrated to Canada. See related entries: Family background
  12. Word Origin Middle English: from Old French branche, from late Latin branca ‘paw’.Extra examples The store is opening more local branches. the bare branches of a tree in winter Quantum analysis is a branch of statistics. Scotland Yard’s anti-terrorist branch swung into action. The aim is to bring together researchers from different branches of geography.Idioms thoroughly and completely The government set out to destroy the organization root and branch. root-and-branch reforms
See the Oxford Advanced American Dictionary entry: branch