Webster's Revised Unabridged Dictionary · 1913

Encampment

Encampment , noun

1.
The act of pitching tents or forming huts, as by an army or traveling company, for temporary lodging or rest.
2.
The place where an army or a company is encamped; a camp; tents pitched or huts erected for temporary lodgings.
A square of about seven hundred yards was sufficient for the encampment of twenty thousand Romans. — Gibbon
A green encampment yonder meets the eye. — Guardian