Definition of sleeve noun from the Oxford Advanced American Dictionary

      

    sleeve

     noun
    noun
    NAmE//sliv//
     
     
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  1. 1a part of a piece of clothing that covers all or part of your arm a dress with short/long sleeves Dan rolled up his sleeves and washed his hands. see also shirtsleeve
  2. 2 -sleeved (in adjectives) having sleeves of the type mentioned a short-sleeved shirt
  3. 3 = jacket (4)
  4. 4a tube that covers a part of a machine to protect it
  5. Idioms
    have a trick, some more tricks, etc. up your sleeve
     
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    to have an idea, some plans, etc. that you keep ready to use if it becomes necessary
    have/keep something up your sleeve
     
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    to keep a plan or an idea secret until you need to use it Actually I do have a few ideas up my sleeve.
    laugh up your sleeve (at somebody/something)(informal)
     
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    to be secretly amused about something
    roll up your sleeves
     
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    to prepare to work or fight
    wear your heart on your sleeve
     
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    to allow your feelings to be seen by other people He's not one to wear his heart on his sleeve.
NAmE//ˈslivləs//
 
adjective a sleeveless dress
See the Oxford Advanced Learner's Dictionary entry: sleeve