ap·pli·ance /əˈplaɪəns/ n. 1. (用于特定目的的)器具 an appliance for opening cans 开罐器具 2. 器械，装置 electric appliances 电器 Vacuum cleaners, washing machines and refrigerators are household appliances. 真空吸尘器、洗衣机和电冰箱都是家用设备。 3. 〈英〉应用 the appliance of electricity to household tasks 电气在家务活中的使用 4. 救火车