verb with object

surround (a place) with armed forces in order to capture it or force its surrender; lay siege to:

〈軍隊が〉〈町･城など〉を(長期間)包囲する(surround)

e.g. the guerrillas continued to besiege other major cities to the north.

crowd around oppressively; surround and harass:

〈大勢の人が〉…を取り囲む, …に群がる, 押しかける

e.g. she spent the whole day besieged by newsmen.

(be besieged) be inundated by large numbers of requests or complaints:

〈人･考えなどが〉〈人〉を悩ます, 困らせる; 〈手紙･要求などが〉〈人〉に殺到する, 押し寄せる (!しばしば受け身で)

e.g. the television station was besieged with calls.

besieger |bəˈsējər| noun

Middle English: alteration (by change of prefix) of assiege, from Old French asegier.