relay

Noun

• electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit

• a race between teams; each member runs or swims part of the distance

• a fresh team to relieve weary draft animals

• a crew of workers who relieve another crew

• the act of passing something along from one person or group to another
  • the relay was successful
    

Verb

• control or operate by relay

• pass along
  • Please relay the news to the villagers
    

Related words

• Synonyms: 
  electrical relay , relay race