To calculate or estimate the required direction of anything which is to be launched at an object (as… intransitive. Without construction: to take…

To take aim with a gun, etc.; to aim at.

In shooting: To take aim, to aim.

intransitive. to aim off: to point a rifle, etc., away from the direction pointing directly towards the target, in order to allow for the wind…

intransitive. U.S. To direct, point, or aim a firearm at a person or animal; to train a gun on.