"relay" in the noun sense
the act of passing something along from one person or group to another
"the relay was successful"
a crew of workers who relieve another crew
a fresh team to relieve weary draft animals
4. relay, relay race
a race between teams each member runs or swims part of the distance
5. relay, electrical relay
electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
"relay" in the verb sense
"Please relay the news to the villagers"
control or operate by relay
Source: WordNet® (An amazing lexical database of English)
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