Bivouac
Bivouac ({not transcribed}) , noun
[French bivouac, bivac, prab. from German beiwache, or beiwacht; bei by, near + wachen to watch, wache watch, guard. See By, and Watch.]
(a)
(Military) The watch of a whole army by night, when in danger of surprise or attack.
(b)
(Military) An encampment for the night without tents or covering.
Bivouac , intransitive verb
(a)
(Military) To watch at night or be on guard, as a whole army.
(b)
(Military) To encamp for the night without tents or covering.