1. a (folding) fan
    • 扇を使う
    • fan oneself
  1. 扇形〔数学で〕a sector
    • 扇形の窓
    • a fanlight/a fan(-shaped) window
    • 警察官は扇形に広がって林の中を捜索した
    • The policemen fanned out and searched the woods.