IPA: /bɪˈsiːdʒ/
KK: /bɪˈsidʒ/
To surround a place with armed forces to capture it or to crowd around someone with many requests or problems.
The army decided to besiege the city to force its surrender.
Past: besieged
Past Participle: besieged
Besiege → It is formed from "be-" (meaning about or around) and "sige" (from Old English "sīgan", meaning to conquer or to subdue). The word describes the act of surrounding a place in order to conquer it.
Think of being 'surrounded' ('be-') in order to 'conquer' ('sige') a place — that's what besiege means.