relay (Noun) — The act of passing something along from one person or group to another. ex. "the relay was successful"
relay (Noun) — A crew of workers who relieve another crew.
relay (Noun) — A fresh team to relieve weary draft animals.
relay (Noun) — A race between teams; each member runs or swims part of the distance.
relay (Noun) — Electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit.
relay (Verb) — Pass along. ex. "Please relay the news to the villagers"
relay (Verb) — Control or operate by relay.
relay (Verb) — Lay again. ex. "she relaid the carpet"