Definitions
1.NounAn encampment for the night, usually without tents or covering.
2.NounAny temporary encampment.
3.NounA temporary shelter constructed generally for a few nights.
4.NounThe watch of a whole army by night, when in danger of surprise or attack.
5.NounA structure formed by migratory ants out of their own bodies to protect the queen and larvae.
6.VerbTo set up camp."We'll bivouac here tonight."
7.VerbTo watch at night or be on guard, as a whole army.
8.VerbTo encamp for the night without tents or covering.