What does the word pout mean?

Usage examples for pout

  1. Did Her Majesty pout, then? – The Missourian by Eugene P. (Eugene Percy) Lyle
  2. She shrugged faintly with a little pout. – The Shadow of the East by E. M. Hull
  3. She gave a little pout of disappointment when her grandmother informed her that she wished to speak to her about something very serious. – Bijou by Gyp