рельса

Noun

 * 1)  rail the metal bar that makes the track for a railroad (also used in professional speech, such as in the following example)
 * 2)  pre-programmed channels/directions of movement for a character in a computer game
 * 3)  railgun
 * 1)  pre-programmed channels/directions of movement for a character in a computer game
 * 2)  railgun