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Definition: TCP/IP socket

The method of directing data to the appropriate application in a computer on an IP network. Also called a "network socket" or "IP socket," the combination of the IP address of the station and a port number make up a socket. To "create a socket" or "open a socket" means to establish a connection to the Internet or other TCP/IP wide area or local area network. See Winsock, Berkeley sockets, TCP/IP port and well-known port.