ˌblack ˈbox BrE AmE noun [countable] informal
a piece of equipment on an aircraft that records what happens on a flight and can be used to discover the cause of accidents SYN flight recorder
ˌblack ˈbox BrE AmE noun [countable] informal
a piece of equipment on an aircraft that records what happens on a flight and can be used to discover the cause of accidents SYN flight recorder
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012