superelevation

(redirected from Cant (road/rail))
Also found in: Dictionary, Wikipedia.

superelevation

[¦sü·pər‚el·ə′vā·shən]
(ordnance)
An added positive angle in antiaircraft gunnery that compensates for the fall of the projectile during the time of flight due to the pull of gravity.
The angle the gun or launcher much be elevated above the gun-target line.