Dictionary.com
Thesaurus.com

Common Gateway Interface

American  
[kom-uhn geyt-wey in-ter-feys] / ˈkɒm ən ˈgeɪtˌweɪ ˈɪn tərˌfeɪs /

noun

Computers.
  1. a protocol for instructing a server to execute a user-generated script on an interactive website, such as when a user enters a query using an online form and receives information retrieved from a database. CGI


Etymology

Origin of Common Gateway Interface

First recorded in 1990–95