We found 4 definitions of line of defense from 2 different sources.
Noun |
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line of defense - defensive structure consisting of a barrier that can be employed for defense against attack | ||
line of defence | ||
defensive structure, defence, defense a structure used to defend against attack; "the artillery battered down the defenses" | ||
line of defense - any organization whose responsibility it is to defend against something; "police are the major line of defense against crime" | ||
line of defence |