- 1(also relay race) a race between teams in which each member of the team runs or swims one section of the race the 4 × 100 meter relay a relay team the sprint relay
- 2a fresh set of people or animals that take the place of others that are tired or have finished a period of work Rescuers worked in relays to save the trapped miners. The wagons were pulled by relays of horses.
- 3an electronic device that receives radio or television signals and sends them on again with greater strength a relay station
Check pronunciation: relay