What does the word quart mean?

Usage examples for quart

  1. Measure me a quart of honesty, And I will trade it for a pound weight of my thoughts. – King--of the Khyber Rifles by Talbot Mundy
  2. Add heated sugar, allowing one quart for each quart of juice. – Better Meals for Less Money by Mary Green
  3. They could not sell any provisions, but gave us a quart of flour. – Through the Grand Canyon from Wyoming to Mexico by E. L. Kolb