repeater

One who or that which repeats.

Education A student repeating a course, class, or grade.

Medicine, Sciences A patient who repeatedly presents with the same symptoms.

Business, Marketing A consumer who repeatedly purchases the same goods or services.

US One who votes more than once at an election.

Human sciences, Mysticism, Mythology, Philosophy, Sciences, Ufology A person who regularly sees unexplained sightings of paranormal phenomena.

Engineering, Firearms, Government, Military, Natural sciences, Physical sciences, Politics, Tools, War, Weaponry Dated A gun that has a store of cartridges and does not need reloading after each shot.

Communications, Electrical engineering, Engineering, Natural sciences, Physical sciences, Telecommunications, Telegraphy A telegraphic instrument for automatically retransmitting a message.

Business, Electrical engineering, Electricity, Electromagnetism, Electronics, Energy, Engineering, Natural sciences, Physical sciences, Physics An electronic device that receives a weak or low-level signal and retransmits it at a higher level or higher power.

Hobbies, Horology, Lifestyle A watch with a striking apparatus which, upon pressure of a spring, will indicate the time, usually in hours and quarters.

Nautical, Transport A frigate appointed to attend an admiral in a fleet, and to repeat the admiral's signals.

Nautical, Transport A pennant used to indicate that a certain flag in a hoist of signal is duplicated.

Mathematics, Sciences A repeating decimal.

Business, Manufacturing, Textiles In calico printing, a design repeated at equal intervals in a pattern.