Definition of "bivouac" in English

noun

1. An encampment for the night, usually without tents or covering.

2. Any temporary encampment.

3. A temporary shelter constructed generally for a few nights.

4. (dated) The watch of a whole army by night, when in danger of surprise or attack.

5. (zoology) A structure formed by migratory ants out of their own bodies to protect the queen and larvae.

verb

1. (transitive, intransitive) To set up camp.

   • We'll bivouac here tonight.

2. (intransitive) To watch at night or be on guard, as a whole army.

3. (intransitive) To encamp for the night without tents or covering.