D defs.my
Entry 5 senses · 2 variants Webster, 1913

Pivot

/pĭv'-ət/ · Piv·ot · IPA /ˈpɪv.ɪt/
01 n. A fixed pin or short axis, on the end of which a wheel or other body turns.
  1. 1.
    A fixed pin or short axis, on the end of which a wheel or other body turns.
  2. 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. 3.
    Hence, figuratively: A turning point or condition; that on which important results depend; as, the pivot of an enterprise.
  4. 4.
    The officer or soldier who simply turns in his place whike the company or line moves around him in wheeling; -- called also pivot man.(Mil.) Also: pivot man
Phrases & compounds
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 — an artificial crown attached to the root of a natural tooth by a pin or peg.
02 v. t. To place on a pivot.
imp. & p. p. Pivoted; p. pr. & vb. n. Pivoting
  1. 1.
    To place on a pivot.