Definition of sieve noun from the Oxford Advanced American Dictionary

     

    sieve

     noun
    noun
    NAmE//sɪv//
     
     
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  1. 1a tool for separating solids from liquids or larger solids from smaller solids, made of a wire or plastic net attached to a ring. The liquid or small pieces pass through the net but the larger pieces do not.
  2. 2 Press the apricot jam through a sieve and stir in one tablespoon of cold water.
  3. Idioms
    have a memory/mind like a sieve(informal)
     
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    to have a very bad memory; to forget things easily
See the Oxford Advanced Learner's Dictionary entry: sieve