repeater

/rɪˈpiːtər/
noun
  1. A person who does something again, especially someone who commits a crime or takes a class more than once.
    • As a repeater offender, he faced a longer prison sentence.
    • The course had several repeaters who had failed the previous semester.
    • The school has a program to help repeaters pass their math exams.
  2. A device that receives a signal and retransmits it, often to extend its range.
    • A cell phone repeater can improve reception in remote areas.
    • The radio repeater on the hill boosts the signal for hikers in the valley.
    • We installed a Wi-Fi repeater to get internet in the basement.
  3. A firearm that can fire multiple shots without reloading.
    • The cowboy carried a repeater rifle on his saddle.
    • Early repeaters were a major advance over single-shot guns.
    • Hunters often prefer a repeater for quick follow-up shots.
Synonyms
What does "repeater" mean? | whatsthatwordmean | whatsthatwordmean