off-side rule

Etymology
The computer-programming sense was and named after the rule in football.

Noun

 * 1)  The prohibition of teammates closer to the opponents' goal than the person kicking or throwing the ball unless there are three opponents at least as close to their goal line.
 * 2)  A system that gives right-of-way at an intersection to traffic approaching from the side on which one is not driving.
 * 3)  In some programming languages, the convention by which the indentation of a line of source code affects its meaning.
 * 1)  A system that gives right-of-way at an intersection to traffic approaching from the side on which one is not driving.
 * 2)  In some programming languages, the convention by which the indentation of a line of source code affects its meaning.
 * 1)  In some programming languages, the convention by which the indentation of a line of source code affects its meaning.
 * 1)  In some programming languages, the convention by which the indentation of a line of source code affects its meaning.
 * 1)  In some programming languages, the convention by which the indentation of a line of source code affects its meaning.
 * 1)  In some programming languages, the convention by which the indentation of a line of source code affects its meaning.