portcullis
noun /pɔːtˈkʌlɪs/
/pɔːrtˈkʌlɪs/
- a strong, heavy iron gate that can be raised or let down at the entrance to a castle
(城堡入口可升降的)铁闸门,吊闸门 词源Middle English: from Old French porte coleice ‘sliding door’, from porte ‘door’ (from Latin porta) + coleice ‘sliding’ (feminine of couleis, from Latin colare ‘to filter’).