defilade

verb

def·​i·​lade ˈde-fə-ˌlād 

-ˌläd

defiladed; defilading

transitive verb

: 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

Word History

Etymology

probably from de- + -filade (as in enfilade)

First Known Use

1828, in the meaning defined above