Definitions
1.nounA new set of hounds.
2.nounA new set of horses kept along a specific route so that they can replace animals that are tired.
3.noun(by extension) A new set of anything.
4.nounA series of vehicles travelling in sequence.
5.nounA 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.
6.nounAn electrical actuator that allows a relatively small electrical voltage or current to control a larger voltage or current.
7.verbTo release a new set of hounds.
8.verbTo place (people or horses) in relays, such that one can take over from another.
9.verbTo take on a new relay of horses; to change horses.
10.verbTo pass on or transfer (information)."Can you relay this message to John?"