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single file

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noun [countable/uncountable] single file pronunciation in British English 
Word Forms
singularsingle file
pluralsingle files
  1. a line of people or things in which one is directly behind the other
    in single file:

    Now, line up in single file and walk to your classrooms.

derived word

single file

 single file pronunciation in British English  adverb

The three walked single file down the narrow corridor.


a paid holiday given to a new employee before they start their job

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selfie stick

an expandable stick which you attach to a mobile phone or camera to help you take a selfie …

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