What is the meaning of bivouac?

noun

• Temporary living quarters specially built by the army for soldiers.
  • usage: "wherever he went in the camp the men were grumbling"
  • synonyms: camp, encampment, cantonment
• A site where people on holiday can pitch a tent.
  • synonyms: campsite, campground, camping site, camping ground, encampment, camping area

verb

• Live in or as if in a tent.
  • usage: "Can we go camping again this summer"; "The circus tented near the town"; "The houseguests had to camp in the living room"
  • synonyms: camp, encamp, camp out, tent