beeper

/ˈbiːpər/
noun
  1. A small electronic device that receives and displays messages or alerts the user with a beeping sound; a pager.
    • My dad had a beeper in the 1990s before cell phones became common.
    • The beeper vibrated and showed a phone number to call.
    • Doctors used to carry beepers so they could be reached in an emergency.
Synonyms
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