the activity of an armed force that surrounds a fortified location and isolates it while continuing to attack
- of Beleaguer
(p. pr. & vb. n.) of Beleaguer
He wasted his considerable military talents in a series of skirmishes and sieges which had no great results, and after spending countless treasures and harrying many regions, perished obscurely by a wound from a cross-bow-bolt, received while beleaguering Chlus, a castle of a rebellious lord of Aquitaine, the viscount of Limoges (April 6, 1199).