Wiktionary
rail gun
n. (alternative spelling of railgun English)
Usage examples of "rail gun".
Zuzanna and Maria fired an awful lot of rail gun needles at that neutron star.
I watched through her sensors while some automatic machines attached a big rail gun right over where my body was.
Phase one was declared over on the second day, when not a single rail gun made its presence known.
But Patrick hefted the big electromagnetic rail gun in his left hand, unfastened his helmet, and slipped it off.
I'd half been expecting trouble and had made it a point to learn how to use a rail gun.
And they have some sort of a shield that can deflect rail gun needles, among other things.