1. <networking> protocol converter.
2. <networking> This term was previously used for a router or other kind of internetworking device but this use is now deprecated. By this definition, a router is a layer 3 (network layer) gateway, and a mail gateway is a layer 7 (application layer) gateway.
3. <hypertext> An interface between some external source of information and a World-Wide Web server. Common Gateway Interface is a standard for such interfaces.
(07 Mar 1996)