re·lay /ˈriˌle/
 驛馬,替班,中繼,接力(vt.)分程傳遞,轉播,使接替,重新放(vi.)得到接替,轉播


 relay
 傳遞;中繼;繼電器


 relay
 繼電器 電驛


 Re·lay v. t. [imp. & p. p. Relaid p. pr. & vb. n. Relaying.]  To lay again; to lay a second time; as, to relay a pavement.


 Re·lay n.
 1. A supply of anything arranged beforehand for affording relief from time to time, or at successive stages; provision for successive relief. Specifically: (a) A supply of horses placced at stations to be in readiness to relieve others, so that a trveler may proceed without delay. (b) A supply of hunting dogs or horses kept in readiness at certain places to relive the tired dogs or horses, and to continue the pursuit of the game if it comes that way. (c) A number of men who relieve others in carrying on some work.
 2. 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.


 Re·lay, a. 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.

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 relay
      n 1: the act of relaying something
      2: electrical device such that current flowing through it in
         one circuit can switch on and off a current in a second
         circuit [syn: electrical relay]
      v 1: pass along; "Please relay the news to the villagers"
      2: control or operate by relay