relay

Definitions

• (hunting) A new set of hounds.
• (now) A new set of horses kept along a specific route so that they can replace animals that are tired.
• (by extension) A new set of anything.
• A series of vehicles travelling in sequence.
• (athletics) A track and field discipline where runners take turns in carrying a baton from start to finish. Most common events are 4x100 meter and 4x400 meter competitions.
• (electronics) An electrical actuator that allows a relatively small electrical voltage or current to control a larger voltage or current.