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

(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.

plural of siege

simple past tense and past participle of siege

present participle of siege

present participle of lay siege

(intransitive) Chiefly followed by against or to: to engage in a siege; to besiege. / (intransitive, figuratively) To attack continually over a long period.

simple past tense of lay siege

Third-person singular simple present indicative form of lay siege

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