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Trunnion vs Dispart - What's the difference?

trunnion | dispart |

As nouns the difference between trunnion and dispart

is that trunnion is one of the short stubby bearings on either side of a cannon; a gudgeon while dispart is the difference between the thickness of the metal at the mouth and at the breech of a piece of ordnance.

As a verb dispart is

to part, separate or dispart can be to furnish with a dispart sight.

trunnion

English

Alternative forms

* trunion

Noun

(en noun)
  • One of the short stubby bearings on either side of a cannon; a gudgeon.
  • A similar rotational bearing comprising a rotating arc or ring sliding in the groove of a stationary arc, used in machinery to allow a workpiece to be moved relative to a fixed tool.

    • dispart

    English

    Etymology 1

    From (etyl) dispartire and its source, (etyl) dispartire.

    Verb

    (en verb)
  • To part, separate.
  • *1590 , Edmund Spendser, The Faerie Queene , I.x:
  • *:that same mighty man of God, / That bloud-red billowes like a walled front / On either side disparted with his rod [...].
  • * Emerson
    • The world will be whole, and refuses to be disparted .
  • (obsolete) To divide, divide up, distribute.
  • *, II.xi:
  • *:Them in twelue troupes their Captain did dispart / And round about in fittest steades did place [...].

    • Etymology 2

    Noun

    (en noun)
  • The difference between the thickness of the metal at the mouth and at the breech of a piece of ordnance.
  • * Eng. Cyc.
    • 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.
  • 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

    (en verb)
  • To furnish with a dispart sight.
  • To make allowance for the dispart in (a gun), when taking aim.
  • * Lucar
    • Every gunner, before he shoots, must truly dispart his piece.