French doorBrE /ˌfrentʃ ˈdɔː(r)/ 🔊NAmE /ˌfrentʃ ˈdɔːr/ 🔊 noun (especially NAmE) a glass door, often one of a pair, that leads to a room, a garden/yard or a balcony (常对开的)落地窗,玻璃门