bivouac

bivou|ac /b'ɪvuæk/ (bivouacs bivouacking bivouacked)
1 [N-COUNT]
A bivouac is a temporary camp made by soldiers or mountain climbers.
2 [VERB] V prep/adv, also V
If you bivouac in a particular place, you stop and stay in a bivouac there.
We bivouacked on the outskirts of the city.