flight recorder noun
plural flight recorders
plural flight recorders
Learner's definition of FLIGHT RECORDER
[count]
: a device on an aircraft that records information (such as airspeed and altitude) about a flight黑匣子；航空飞行记录器 ◊ If an aircraft crashes, its flight recorder can be used to help find out what caused it to crash.如果飞机坠毁，黑匣子可以用来帮助查明坠机原因。
— called also flight data recorder