Definition of stargate in English English dictionary
A hypothetical device consisting of a traversable portal (typically a wormhole) that can send one to another location light years away nearly instantaneously
With a stargate, travel is instantaneous. It is quite possible that the secret government either has a stargate or is trying to get one.
(Film) Stargate refers to the science fiction media franchise that began in 1994 with the feature film Stargate. The subsequent body of works detail an elaborate fictional universe where Earth battles hostile aliens possessing superior technology or supernatural powers. The film's story is continued in novel form, in two live-action television series (Stargate SG-1 and Stargate Atlantis), one animated series (Stargate Infinity), and in other derivative works