What is the meaning of the word "quartering"?

Definitions:

  1. a coat of arms that occupies one quarter of an escutcheon copy to clipboard noun
    • The lower left quartering portrays a lion and a wolf. copy to clipboard
  2. dividing into four equal parts copy to clipboard noun
    • Quartering an apple only requires two cuts. copy to clipboard
  3. living accommodations, especially those assigned to military personnel copy to clipboard noun
    • The soldiers' quartering will be the barracks. copy to clipboard