relay

(noun) the act of passing something along from one person or group to another. Example: "The relay was successful."

(noun) a crew of workers who relieve another crew.

(noun) a fresh team to relieve weary draft animals.

(noun) a race between teams; each member runs or swims part of the distance. Synonyms: relay race.

(noun) electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit. Synonyms: electrical relay.

(verb) pass along. Example: "Please relay the news to the villagers."

(verb) control or operate by relay.