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shell - definition and synonyms

 
 
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noun shell pronunciation in British English /ʃel/
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singularshell
pluralshells
  1. 1
    [countable/uncountable] the hard outer part that protects the body of a sea creature
    a crab shell
    The kids were collecting shells on the beach.
    Synonyms and related words
    1. b.
      [countable/uncountable] the hard outer part of an egg or nut
      pieces of egg shell
  2. 4
    [countable] a weapon consisting of a metal container filled with a substance that explodes, fired from a large gun
    anti-aircraft shells
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