noun [C] 1 (computing 计算机技术) a piece of computer software that can be added to a system so that it can do more things 插件: Plug-ins for palmtops are a booming industry. 用于掌上计算机的插件发展迅速。
2 (Brit 英) a connection to an electricity supply (socket) in a garage, near a parking space, etc for plugging in an electric heater that is used to warm the engine of a car, etc so that it starts more easily ﹙车库等处﹚加热器的接电装置