To Relay

1. (obsolete, intransitive, hunting) To release a new set of hounds. [15th-17th c.]
2. (transitive, now rare) To place (people or horses) in relays, such that one can take over from another. [from 18th c.]
3. (intransitive, now rare) To take on a new relay of horses; to change horses. [from 19th c.]
4. (transitive) To pass on or transfer (information). [from 19th c.]