Noun repeater has 4 senses
  1. repeater - a person who repeats; "the audience consisted largely of repeaters who had seen the movie many times"
    --1 is a kind of
    person, individual, someone, somebody, mortal, human, soul
    Derived forms: verb repeat5, verb repeat2
  2. recidivist, repeater, habitual criminal - someone who is repeatedly arrested for criminal behavior (especially for the same criminal behavior)
    --2 is a kind of criminal, felon, crook, outlaw, malefactor
    Derived form: verb repeat2
  3. repeating firearm, repeater - a firearm that can fire several rounds without reloading
    --3 is a kind of firearm, piece, small-arm
    --3 has particulars: Mauser
  4. repeater - (electronics) electronic device that amplifies a signal before transmitting it again; "repeaters can be used in computer networks to extend cabling distances"
    --4 is a kind of
    electronic device