അർത്ഥം : Any organization whose responsibility it is to defend against something.
ഉദാഹരണം :
Police are the major line of defense against crime.
പര്യായപദങ്ങൾ : line of defence
അർത്ഥം : Defensive structure consisting of a barrier that can be employed for defense against attack.
പര്യായപദങ്ങൾ : line of defence