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

     

    bracket

     noun
    noun
    BrE BrE//ˈbrækɪt//
     
    ; NAmE NAmE//ˈbrækɪt//
     
    Punctuation, Mathematical terminology
     
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  1. 1 (also round bracket) (both British English) (also parenthesis North American English or formal) [usually plural] either of a pair of marks, (  ), placed around extra information in a piece of writing or part of a problem in mathematics Publication dates are given in brackets after each title. Add the numbers in brackets first. see also angle bracket compare brace See related entries: Punctuation, Mathematical terminology
  2. 2 (North American English) (especially British English square bracket) [usually plural] either of a pair of marks, [  ], placed at the beginning and end of extra information in a text, especially comments made by an editor See related entries: Punctuation
  3. 3price, age, income, etc. bracket prices, etc. within a particular range people in the lower income bracket Most of the houses are out of our price bracket. the 30–34 age bracket (= people aged between 30 and 34)
  4. 4a piece of wood, metal or plastic fixed to the wall to support a shelf, lamp, etc.
  5. Word Origin late 16th cent.: from French braguette or Spanish bragueta ‘codpiece, bracket, corbel’, from Provençal braga, from Latin braca, (plural) bracae ‘breeches’.Extra examples The numbers outside the curly brackets are the sales figures. The prices are given in brackets. The words in brackets should be deleted. These machines are in the higher price bracket. fixed to the wall on a bracket people outside this age bracket His income was in a fairly low earnings bracket. Most respondents were in the 45–60 age bracket. People in the lower income brackets will not be able to afford this. She found that she fell into a higher tax bracket. This model remains firmly in the upper price bracket.
See the Oxford Advanced American Dictionary entry: bracket