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English definition of “relay”

relay

verb [T] uk   /ˌrɪˈleɪ/ /ˈriː.leɪ/ us  
to repeat something you have heard, or to broadcast a signal, message, or programme on television or radio: I was told the news first and then I relayed it to the others. TV pictures of the war were relayed around the world by satellite.

relay

noun [C] uk   /ˈriː.leɪ/ us  

relay noun [C] (TEAM)

a group of people who continue an activity that others from the same team or organization have been doing previously: Relays of workers kept the machines going through the night. After the landslide, volunteers worked in relays to rescue people buried under the rubble. (also relay race) a running or swimming race between two or more teams in which each person in the team runs or swims part of the race

relay noun [C] (EQUIPMENT)

a device that reacts to a small change in an electrical current by moving switches or other devices in an electrical circuit
(Definition of relay from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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