dead-men

deadman

[ded-man, -muhn]
noun, plural deadmen [ded-men, -muhn] .
1.
Building Trades. a log, concrete block, etc., buried in the ground as an anchor.
2.
a crutchlike prop temporarily supporting a pole or mast being erected.
3.
Nautical.
a.
an object fixed on shore to hold a mooring line temporarily.
b.
a rope for hauling the boom of a derrick inboard after discharge of a load of cargo.
adjective
4.
Also, dead-man's. Machinery, Automotive. of or pertaining to a control or switch on a powered machine or vehicle that disengages a blade or clutch, applies the brake, shuts off the engine, etc., when the driver or operator ceases to press a pedal, squeeze a throttle, etc.: deadman throttle; dead-man's control.

Origin:
dead + man1

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
deadman (ˈdɛdˌmæn)
 
n , pl -men
1.  civil engineering a heavy plate, wall, or block buried in the ground that acts as an anchor for a retaining wall, sheet pile, etc, by a tie connecting the two
2.  mountaineering a metal plate with a wire loop attached for thrusting into firm snow to serve as a belay point, a smaller version being known as a deadboy

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