01 n. The watch of a whole army by night, when in danger of surprise or attack.
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1.
The watch of a whole army by night, when in danger of surprise or attack.(Mil.)
Entry
2 senses · 2 variants
Webster, 1913
Bivouac
02 v. i. To watch at night or be on guard, as a whole army.
imp. & p. p.
Bivouacked; p. pr. & vb. n.
Bivouacking
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1.
To watch at night or be on guard, as a whole army.(Mil.)