Relay

Re`lay´ Pronunciation: r?-l?´

v. t.

To lay again; to lay a second time; as, to relay a pavement.

[imp. & p. p. Relaid (-l?d); p. pr. & vb. n. Relaying.]

A supply of anything arranged beforehand for affording relief from time to time, or at successive stages; provision for successive relief.

(Elec.) In various forms of telegraphic apparatus, a magnet which receives the circuit current, and is caused by it to bring into into action the power of a local battery for performing the work of making the record; also, a similar device by which the current in one circuit is made to open or close another circuit in which a current is passing.

Relay battery
(Elec.) the local battery which is brought into use by the action of the relay magnet, or relay.

(Mach.) Relating to, or having the characteristics of, an auxiliary apparatus put into action by a feeble force but itself capable of exerting greater force, used to control a comparatively powerful machine or appliance.

Noun	1.	relay - the act of relaying something
	2.	relay - electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit Synonyms: electrical relay
Verb	1.	relay - pass along; "Please relay the news to the villagers"
	2.	relay - control or operate by relay

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