From Longman Dictionary of Contemporary Englishhot keyˈhot key noun [countable] one or more keys that you can press on a computer keyboard to make the computer quickly do a particular set of actions → macroFrom Longman Business Dictionaryhot keyˈhot keyCOMPUTING one or more computer keys that have been programmed to make your computer do a particular thing when you press themUse the mouse or a hot key to move to a different window. → key
