What does the word picket mean?

Usage examples for picket

  1. Then they all laughed at the idea of hot salt being good for the toothache, and Picket said: " Devol, do you know that when salt gets hot it will turn into ashes?" – Forty Years a Gambler on the Mississippi by George H. Devol
  2. I'm nearly as light as he is, and when I'm on top the fence I'll pull our friend off the picket and toss him down to you. – The Patchwork Girl of Oz by L. Frank Baum