Definition of brush noun from the Oxford Advanced American Dictionary

      

    brush

     noun
    noun
    NAmE//brʌʃ//
     
     
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  1. 1[countable] an object made of short stiff hairs (calledbristles) or wires set in a block of wood or plastic, usually attached to a handle. Brushes are used for many different jobs, such as cleaning, painting, and arranging your hair a paintbrush a hairbrush a toothbrush brush strokes (= the marks left by a brush when painting) a dustpan and brush Apply the paint with a fine brush.
  2. 2 [singular] an act of brushing to give your teeth a good brush
  3. 3 [uncountable] land covered by small trees or bushes a brush fire
  4. 4[singular] a light touch made in passing something or someone the brush of his lips on her cheek
  5. 5[countable] brush with somebody/something a short unfriendly meeting with someone; an occasion when you nearly experience something unpleasant She had a nasty brush with her boss this morning. In his job he's had frequent brushes with death. a brush with the law
  6. 6[countable] the tail of a fox
  7. Idioms
    be tarred with the same brush (as somebody)
     
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    to be thought to have the same faults, etc. as someone else
    paint something with a broad brush
     
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    to describe something in a general way, ignoring the details
See the Oxford Advanced Learner's Dictionary entry: brush