Definitions

1. noun

A person or thing that besieges or surrounds a place, especially an enemy that is attacking a fortified position.

“The beleaguerer’s relentless barrage wore down the defenses.”

2. verb

To surround or besiege a place, especially with an army, in order to capture it by cutting off supplies and communications.

“The city was beleaguered by the enemy forces for weeks.”