... Bivouac (biv-wak'): an encampment without tents orshelter, or one in which the whole army is on guard against surprise;here, the former is probably meant... 
George Grote 「The Two Great Retreats of History」
...There Ishould bivouac and see what the darkness brought forth...
John Buchan 「Mr. Standfast」
...I thought of swimming when they were gone; but after it was dark, by the unasked loan of one of the hidden canoes, we soon were snug in our bivouac on the southern bank of the Kasai...
David Livingstone 「Missionary Travels and Researches in South Africa」
...Marching throughout the night, guided by their negro hosts, they bivouac within an hour's march of the unsuspecting village doomed to an attack about half an hour before break of day...
Samuel White Baker 「In the Heart of Africa」
...Let them keep their crack troops in the Netherlandsand give me a few hundred irregulars whoknow the cane and can bivouac in the trees if theyhave to...
John Charles Beecham 「The Argus Pheasant」
...When wehad finished our evening meal, the shades of night descended upon us, inthis our first bivouac in the unknown interior...
Ernest Giles 「Australia Twice Traversed, The Romance of Exploration」
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