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 iSStrictly inSide the machine' S chaSSiS.