Pivot gun

Pivot gun
Pivot Piv"ot, n. [F.; prob. akin to It. piva pipe, F. pipe. See {Pipe}.] 1. A fixed pin or short axis, on the end of which a wheel or other body turns. [1913 Webster]

2. The end of a shaft or arbor which rests and turns in a support; as, the pivot of an arbor in a watch. [1913 Webster]

3. Hence, figuratively: A turning point or condition; that on which important results depend; as, the pivot of an enterprise. [1913 Webster]

4. (Mil.) The officer or soldier who simply turns in his place whike the company or line moves around him in wheeling; -- called also {pivot man}. [1913 Webster]

{Pivot bridge}, a form of drawbridge in which one span, called the pivot span, turns about a central vertical axis.

{Pivot gun}, a gun mounted on a pivot or revolving carriage, so as to turn in any direction.

{Pivot tooth} (Dentistry), an artificial crown attached to the root of a natural tooth by a pin or peg. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Pivot gun — A pivot gun was a type of cannon mounted on a fixed central emplacement which permitted it to be moved through a wide horizontal arc. They were a common weapon aboard ships and in land fortifications for several centuries but became obsolete… …   Wikipedia

  • Pivot — Piv ot, n. [F.; prob. akin to It. piva pipe, F. pipe. See {Pipe}.] 1. A fixed pin or short axis, on the end of which a wheel or other body turns. [1913 Webster] 2. The end of a shaft or arbor which rests and turns in a support; as, the pivot of… …   The Collaborative International Dictionary of English

  • Pivot bridge — Pivot Piv ot, n. [F.; prob. akin to It. piva pipe, F. pipe. See {Pipe}.] 1. A fixed pin or short axis, on the end of which a wheel or other body turns. [1913 Webster] 2. The end of a shaft or arbor which rests and turns in a support; as, the… …   The Collaborative International Dictionary of English

  • pivot man — Pivot Piv ot, n. [F.; prob. akin to It. piva pipe, F. pipe. See {Pipe}.] 1. A fixed pin or short axis, on the end of which a wheel or other body turns. [1913 Webster] 2. The end of a shaft or arbor which rests and turns in a support; as, the… …   The Collaborative International Dictionary of English

  • Pivot tooth — Pivot Piv ot, n. [F.; prob. akin to It. piva pipe, F. pipe. See {Pipe}.] 1. A fixed pin or short axis, on the end of which a wheel or other body turns. [1913 Webster] 2. The end of a shaft or arbor which rests and turns in a support; as, the… …   The Collaborative International Dictionary of English

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