say it: ri-PEE-tur
repeater is a noun meaning "a person who repeats". It carries 4 recorded senses.
a person who repeats
“the audience consisted largely of repeaters who had seen the movie many times”
someone who is repeatedly arrested for criminal behavior (especially for the same criminal behavior)
a firearm that can fire several rounds without reloading
(electronics) electronic device that amplifies a signal before transmitting it again
“repeaters can be used in computer networks to extend cabling distances”
electrical engineering
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for repeater come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.