Relay (noun)

1. An act of passing something on to another person or group of people.
2. An electrical or electronic device that receives a signal or message and passes it on.
3. A race in which teams take turns to cover a set distance.

Origin:

Early 16th century: from old french relais "staging post", from relayer "refresh horses", from re- (expressing intensive force) + laisser "let", from latin laxare.

Examples:

1. The relay of information from one department to another was done quickly.
2. The relay of the baton in the relay race was crucial to the team's success.
3. The relay system in the power station keeps the electricity flowing.
4. The relay team broke the world record.
5. The relay of the message from the scout to the commander was critical to the mission's success.