Search Result：line of defense
line of defense 
(TTS Sound)
(TTS Sound)Overview of noun line_of_defense
The noun line of defense has 2 senses
- line of defense, line of defence -- (any organization whose responsibility it is to defend against something; "police are the major line of defense against crime")
- line of defense, line of defence -- (defensive structure consisting of a barrier that can be employed for defense against attack)