bivouac

noun

We set up a bivouac in the forest.

意味（1）

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

意味（2）

Any temporary encampment.

意味（3）

A temporary shelter constructed generally for a few nights.

意味（4）

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

意味（5）

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