1. (n.) An arrangement of a body of troops when its divisions are drawn up in parallel lines each to the right or the left of the one in advance of it, like the steps of a ladder in position for climbing. Also used adjectively; as, echelon distance.

2. (n.) An arrangement of a fleet in a wedge or V formation.

3. (v. t.) To place in echelon; to station divisions of troops in echelon.

4. (v. i.) To take position in echelon.

battle array caste class close formation condition deployment disposition file footing formation formation flying hierarchy open order order order of battle place position power structure precedence queue rank rate rating row sphere stage standing station status string tier