To disband troops, or remove them from a war footing.
To release someone from military duty, especially after a war.
To gather (cattle) together by riding around them.
To round (a number) to the smallest integer that is not less than it, or to some other greater value, especially a whole number of hundreds, thousands, etc.
To arrest or detain a group of people without individualized suspicion or cause, often as a form of targeted persecution.
To collect or gather (something) together.