(military) A prolonged military assault or a blockade of a city or fortress with the intent of conquering by force or attrition. / (US) A period of struggle or difficulty, especially from illness.

(transitive, uncommon) To assault or blockade a city or fortress with the intent of conquering by force or attrition; to besiege.

simple past tense and past participle of siege

plural of siege

present participle of siege

(historical) A large weapon of war used, during medieval times, to batter fortifications.

A weapon (usually very large) used by the aggressor in siege warfare. Examples include trebuchets, catapults, cannon, etc.

Warfare in which the defender is trapped in a position (such as a fort or castle) while the attacker bombards and/or barricades them from outside.

plural of siege weapon

present participle of lay siege