Webster's Revised Unabridged Dictionary · 1913

Dispart

Dispart , transitive verb

[Prefix dis- + part: compare Old French despartir.]

To part asunder; to divide; to separate; to sever; to rend; to rive or split; as, disparted air; disparted towers. [Archaic]
Them in twelve troops their captain did dispart. — Spenser
The world will be whole, and refuses to be disparted. — Emerson

Dispart , intransitive verb

To separate, to open; to cleave.

Dispart , noun

1.
(Gunnery) The difference between the thickness of the metal at the mouth and at the breech of a piece of ordnance.
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. — Eng. Cys
2.
(Gunnery) 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; -- called also dispart sight, and muzzle sight.

Dispart , transitive verb

1.
(Gunnery) To make allowance for the dispart in (a gun), when taking aim.
Every gunner, before he shoots, must truly dispart his piece. — Lucar
2.
(Gunnery) To furnish with a dispart sight.