What does the word pivot mean?

Usage examples for pivot

  1. Mrs. John Day was the social pivot of Rocky Springs, and, to disobey her summons, Helen knew would be to risk a displeasure which would find reflection in every woman in the place. – The Law-Breakers by Ridgwell Cullum
  2. The war will turn on France as on a pivot, said Sully; it remains to be seen if we have supplies and money enough. – The Life of John of Barneveld, 1609-15, Volume I. by John Lothrop Motley Last Updated: February 7, 2009