What does the word stake mean?

Usage examples for stake

  1. He can't talk, and he's stiff as a stake. – They of the High Trails by Hamlin Garland
  2. You are innocent; I stake my soul on that. – A Butterfly on the Wheel by Cyril Arthur Edward Ranger Gull
  3. Oliver collected his chips, relieved, and put all but one back in his stake pocket. – O+F by John Moncure Wetterau