1. To wait for an event that will never occur. "The system is Hanging because it can' t read from the crashed drive". See wedged, hung. 2. To wait for some event to occur to Hang around until something happens. "The program displays a menu and then Hangs until you type a character." Compare block. 3. To attach a peripheral device, especially in the construction "Hang off": "We' re going to Hang another tape drive off the file server." Implies a device attached with cables, rather tHan something that is strictly inside the machine' s chassis.