'Pivot gun' definitions:

Definition of 'Pivot gun'

From: GCIDE
  • 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]