|
(), 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. 2. The end of a shaft or arbor which rests and turns in a support; as, the pivot of an arbor in a watch. 3. Hence, figuratively: A turning point or condition; that on which important results depend; as, the pivot of an enterprise. 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. 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. Piv"ot v. t.[imp. & p. p.Pivoted; p. pr. & vb. n.Pivoting.] To place on a pivot. Clarke. スポンサード リンク
|