an adjustment to a line; arrangement in a straight line.

the line or lines so formed.

the proper adjustment of the components of an electronic circuit, machine, etc., for coordinated functioning

The front wheels of the car are out of alignment.

a state of agreement or cooperation among persons, groups, nations, etc., with a common cause or viewpoint.

a ground plan of a railroad or highway.

Archaeology . a line or an arrangement of parallel or converging lines of upright stones or menhirs.

noun

adjustment , arrangement , calibration , order , positioning , sequence , sighting