n.
Pronunciation: ' de-f ə - ˌ l ā d, - ˌ läd
Function: transitive verb
Inflected Form: -lad · ed ; -lad · ing
Etymology: probably from de- + -filade (as in enfilade )
Date: 1828
: to arrange (fortifications) so as to protect the lines from frontal or enfilading fire and the interior from fire from above or behind
– defilade noun