1. I〔巣を作ってすむ〕build a nest; nest
  1. II〔悪いものが根城を作る〕
    • 町に巣くう暴力団同士の争いが絶えない
    • There is constant strife between the gangs who infest [have their bases in] the town.
    • 邪悪な考えが心に巣くっていた
    • A wicked idea had lodged itself in his mind [heart].