1. races in which team members take turns running parts of the total distance
Usage: sports
2. devices that receive and retransmit signals or messages
Usage: technology
3. fresh sets of people or animals that replace others

1. passes along or transmits information, messages, or signals

Examples

• The track team won both the 4×100 and 4×400 meter relays.
• Radio relays help extend communication signals across long distances.
• The rescue team worked in relays to search through the night.
• She relays messages between the different departments.
• The satellite relays television signals around the world.
• Fresh horses were kept at relays along the mail route.
• He relays the coach’s instructions to the other players.