repeater

repeat +‎ -er

repeater (plural repeaters)

1. One who or that which repeats.
2. (electronics) An electronic device that receives a weak or low-level signal and retransmits it at a higher level or higher power.
3. (firearms) A gun that has a store of cartridges and does not need reloading after each shot.
4. In ufology and similar studies, a person who regularly sees unexplained sightings of paranormal phenomena.

   Note – this term is more commonly used by skeptics of the paranormal, and implies that the witness lacks credibility.

5. A watch with a striking apparatus which, upon pressure of a spring, will indicate the time, usually in hours and quarters.
6. (US) One who votes more than once at an election.
7. A repeating decimal.
8. (nautical) A pennant used to indicate that a certain flag in a hoist of signal is duplicated.

   (Can we find and add a quotation of Ham. Nav. Encyc to this entry?)

9. (education) A student repeating a course or class.
10. (medicine) A patient who repeatedly presents with the same symptoms.
11. A frigate appointed to attend an admiral in a fleet, and to repeat the admiral's signals.
12. A telegraphic instrument for automatically retransmitting a message.
13. (textiles) In calico printing, a design repeated at equal intervals in a pattern.

• pear tree, peartree, repartee, rerepeat