From Longman Dictionary of Contemporary Englishpacket-switchingˈpacket-ˌswitching noun [countable] TDa method of sending information stored on a computer, usually across the Internet. Long messages are broken into pieces and put together again when they are received.From Longman Business Dictionarypacket-switchingˈpacket-ˌswitching noun [uncountable]COMPUTING a way of sending a large amount of DATA (=information stored on a computer) between computers by dividing it into small pieces which are each sent separately and put together again when they are receivedCanada’s Northern Telecom Ltd. will equip the Czech Republic with data packet-switching equipment for a public network. —packet-switched adjective45% of the company’s packet-switched computer traffic comes from its Minitel terminals.