dispart

Etymology 1
From and its source,.

Verb

 * 1)  To part, separate.
 * 2)  To divide, divide up, distribute.
 * 1)  To divide, divide up, distribute.
 * 1)  To divide, divide up, distribute.

Noun

 * 1) The difference between the thickness of the metal at the mouth and at the breech of a piece of ordnance.
 * 2) * 1854-1862,, "DISPART", in English Cyclopaedia
 * On account of the dispart, the line of aim or line of metal, which is in a plane passing through the axis of the gun, always makes a small angle with the axis.
 * 1) A piece of metal placed on the muzzle, or near the trunnions, on the top of a piece of ordnance, to make the line of sight parallel to the axis of the bore.

Verb

 * 1)  To furnish with a dispart sight.
 * 2)  To make allowance for the dispart in (a gun), when taking aim.