bivouac(BIV-wak, BIV-uh-wak) noun: 1. An encampment for the night, usually under little or no shelter. intransitive verb: 1. To encamp for the night, usually under little or no shelter.Bivouac comes from French bivouac, from German Beiwache, "a watching or guarding."
Tens of thousands of soldiers tonight are bivouacked far from home.