English edit

 
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Etymology edit

lock +‎ screen

Noun edit

lock screen (plural lock screens)

  1. A screen displayed by a computer or mobile device left unattended, requiring the user to perform a certain action to regain access.
    • 2023 October 23, Rachel Varina, “How to Get Over a Breakup So You Can *Actually* Move On and Heal”, in Cosmopolitan[1]:
      Take down any pictures, change your lock screen, and put all your cute couple selfies in a “do not open” folder. Then, you know…actually don’t open it.