siege siege /ˈsiːdʒ/

noun

1. () (military) the action of an armed force that surrounds a fortified place and isolates it while continuing to attack  ( beleaguering , besieging , military blockade , siege )
   (military) the action of an armed force that surrounds a fortified place and isolates it while continuing to attack
    The medieval castle withstood a siege that lasted for months.
   The medieval castle withstood a siege that lasted for months.