What does the word forestall mean?

Usage examples for forestall

  1. He was afraid some one else might forestall him in gaining possession of the coveted instrument. – The Young Musician or, Fighting His Way by Horatio Alger
  2. Come, wife, said the doctor, don't you forestall my communication. – The Lamplighter by Maria S. Cummins
  3. So early as August, 1667, steps had been taken by the Estates of Holland to forestall the danger that threatened. – History of Holland by George Edmundson