relaid Unabridged


verb (used with object), re-laid, re-laying.
to lay again.
Also, relay.

1580–90; re- + lay1

re-lay, relay.


1 [n. ree-ley; v. ree-ley, ri-ley]
a series of persons relieving one another or taking turns; shift.
a fresh set of dogs or horses posted in readiness for use in a hunt, on a journey, etc.
a length or leg in a relay race.
Machinery. an automatic control device in which the settings of valves, switches, etc., are regulated by a powered element, as a motor, solenoid, or pneumatic mechanism actuated by a smaller, sensitive element.
Electricity. a device, usually consisting of an electromagnet and an armature, by which a change of current or voltage in one circuit is used to make or break a connection in another circuit or to affect the operation of other devices in the same or another circuit.
(initial capital letter) U.S. Aerospace. one of an early series of experimental low-altitude, active communications satellites.
verb (used with object), relayed, relaying.
to carry forward by or as if by relays: to relay a message.
to provide with or replace by fresh relays.
Electricity. to retransmit (a signal, message, etc.) by or as if by means of a telegraphic relay.
verb (used without object), relayed, relaying.
Electricity. to retransmit a signal or message electronically.

1375–1425; (v.) late Middle English relaien to unleash fresh hounds in a hunt < Middle French relaier, Old French: to leave behind, release, equivalent to re- re- + laier to leave, dialectal variant of laissier < Latin laxāre (see relax); (noun) late Middle English relai set of fresh hounds < Middle French, derivative of relaier


2 [ree-ley]
verb (used with object), relaid, relaying. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
1.  a person or team of people relieving others, as on a shift
2.  a fresh team of horses, dogs, etc, posted at intervals along a route to relieve others
3.  the act of relaying or process of being relayed
4.  a.  short for relay race
 b.  one of the sections of a relay race
5.  an automatic device that controls the setting of a valve, switch, etc, by means of an electric motor, solenoid, or pneumatic mechanism
6.  electronics an electrical device in which a small change in current or voltage controls the switching on or off of circuits or other devices
7.  radio
 a.  a combination of a receiver and transmitter designed to receive radio signals and retransmit them, in order to extend their range
 b.  (as modifier): a relay station
8.  to carry or spread (something, such as news or information) by relays
9.  to supply or replace with relays
10.  to retransmit (a signal) by means of a relay
11.  (Brit) to broadcast (a performance) by sending out signals through a transmitting station: this concert is being relayed from the Albert Hall
[C15 relaien, from Old French relaier to leave behind, from re- + laier to leave, ultimately from Latin laxāre to loosen; see relax]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

c.1410, "hounds placed along a line of chase," from M.Fr. relai "reserve pack of hounds or other animals" (13c.), from O.Fr. relaier "to exchange tired animals for fresh," lit. "leave behind," from re- "back" + laier "to leave" (see delay). The etymological sense is "to leave
(dogs) behind (in order to take fresh ones)." Of horses, 1659. Electromagnetic sense first recorded 1860. As a type of foot-race, it is attested from 1898. The verb is first attested c.1410.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
relay   (rē'lā)  Pronunciation Key 
An electrical switch that is operated by an electromagnet, such as a solenoid. When a small current passes through the electromagnet's coiled wire, it produces a magnetic field that attracts a movable iron bar, causing it to pivot and open or close the switch.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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