What does the word friction mean?

Usage examples for friction

  1. It was a congenial fit, and Penrod again began to move slowly from side to side, finding the friction soothing. – Penrod and Sam by Booth Tarkington
  2. He unfolded the paper, which was crumpled as if with long friction in the pocket, and read aloud - " Let no one be accused of my death. – Tomaso's Fortune and Other Stories by Henry Seton Merriman
  3. And hence, the story adds, Samoa, ever since the days of Ti'iti'i, has eaten cooked food from the fire which is got from the friction of rubbing one piece of dry wood against another. – Samoa, A Hundred Years Ago And Long Before by George Turner