line of defense

noun
1. any organization whose responsibility it is to defend against something
-

police are the major line of defense against crime

Syn: ↑line of defence
Hypernyms: ↑organization, ↑organisation
2. defensive structure consisting of a barrier that can be employed for defense against attack
Syn: ↑line of defence
Hypernyms: ↑defensive structure, ↑defense, ↑defence
Hyponyms: ↑abattis, ↑abatis

* * *

1. : an artificial or natural barrier that can be readily employed for defense against invasion or attack (as a line of fortifications, a river, or a narrow pass)
2. : an organization of military land forces with which a nation seeks to maintain its integrity against armed aggression or invasion

the standing army usually forms a nation's first line of defense


Useful english dictionary. 2012.

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