Definition of "railgun" [railgun]

• An electromagnetic gun that uses a large electrical current passing through, and propelling a bridge down a track of two conductive rails. (noun)
• A railway gun. (noun)

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• "Admiral Carr, who calls the railgun a "disruptive technology," said that not only would a railgun-equipped ship have to carry few if any large explosive warheads, but it could use its enemies own warheads against them."
• "For a generation raised on shoot-'em-up video games, the word "railgun" invokes sci-fi images of an impossibly destructive weapon annihilating monsters and aliens."
• "The series ended abruptly in October after an installment that began to delve into whether other local Indian tribes may have been involved in dealings with Wackenhut and mentioned "an experimental electromagnetic weapon called a" railgun "as being one of the projects."