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defilade

[def-uh-leyd]
noun
  1. protection or shielding from hostile ground observation and flat projecting fire provided by an artificial or natural obstacle, as a hill.
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verb (used with object), def·i·lad·ed, def·i·lad·ing.
  1. to shield from enemy fire by using natural or artificial obstacles.
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Origin of defilade

1820–30; < French défil(er), orig. to unthread (equivalent to dé- dis-1 + (en)filer to thread ≪ Latin fīlum thread) + French -ade -ade1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for defilade

defilade

noun
  1. protection provided by obstacles against enemy crossfire from the rear, or observation
  2. the disposition of defensive fortifications to produce this protection
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verb (tr)
  1. to provide protection for by defilade
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Word Origin for defilade

C19: see de-, enfilade
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for defilade

n.

1828, from defile (n.) + -ade.

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Online Etymology Dictionary, © 2010 Douglas Harper