The Free On-line Dictionary of Computing (30 December 2018):
/tel'net/ 1. The Internetstandardprotocol for remote
login. Runs on top of TCP/IP. Defined in STD 8, RFC
854 and extended with options by many other RFCs. UnixBSD networking software includes a program, telnet, which
uses the protocol and acts as a terminal emulator for the
remote login session. Sometimes abbreviated to TN. TOPS-10
had a similar program called IMPCOM.
2. The US nationwide network into which one dials to access
CompuServe. It was created by John Goltz, one of the
founders and system guru of CompuServe. He later worked
for Tymshare, one of CompuServe's big competitors.