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Webster 1913 Edition
Bivouac
Biv′ouac
,Verb.
I.
[
imp. & p. p.
Bivouacked
([GREEK]); p. pr. & vb. n.
Bivouacking
.] (Mil.)
(a)
To watch at night or be on guard, as a whole army.
(b)
To encamp for the night without tents or covering.
Webster 1828 Edition
Bivouac
BIVOUAC
,Noun.
BIVOUAC
,Verb.
T.
[This word anglicized would be bewatch.]