repeater

Meanings

1. One who or that which repeats.
2. A student repeating a course, class, or grade.
3. A patient who repeatedly presents with the same symptoms.
4. A consumer who repeatedly purchases the same goods or services.
5. One who votes more than once at an election.
6. A person who regularly sees unexplained sightings of paranormal phenomena.
7. A gun that has a store of cartridges and does not need reloading after each shot.
8. A telegraphic instrument for automatically retransmitting a message.
9. An electronic device that receives a weak or low-level signal and retransmits it at a higher level or higher power.
10. A watch with a striking apparatus which, upon pressure of a spring, will indicate the time, usually in hours and quarters.
11. A frigate appointed to attend an admiral in a fleet, and to repeat the admiral's signals.
12. A pennant used to indicate that a certain flag in a hoist of signal is duplicated.

Etymology

From repeat + -er.