~ 1 [ 'ri:leɪ ]
■ noun
1》 a group of people or animals engaged in a task for a period of time and then replaced by a similar group.
↘a race between teams of runners, each team member in turn covering part of the total distance.
2》 an electrical device which is activated by a current in one circuit to open or close another circuit.
3》 a device to receive, reinforce, and retransmit a signal.
↘a message, programme, etc. transmitted by such a device.
■ verb also rɪ'leɪ
1》 receive and pass on (information).
2》 broadcast by a ~.
Origin
ME: from OFr. relai (n.), ~er (v.), based on L. laxare 'slacken'.
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~ 2 [ ri:'leɪ ]
■ verb ( past and past participle relaid ) lay again or differently.