Other spellings

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Pronunciation

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  • (UK) IPA (key): /ˈɪnbɒks/ or /ˈɪmbɒks/
  • (US) IPA (key): /ˈɪnbɑks/ or /ˈɪmbɑks/
  • (file)

Singular
in-box

Plural
in-boxes

  1. An in-box is an electronic folder that messages can go in.
    There is a new email in my in-box.