<p><strong>Noun</strong></p><ul><li>An adjustment to a line; arrangement in a straight line.</li><li>The line or lines so formed.</li><li>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.</li><li>A state of agreement or cooperation among persons, groups, nations, etc., with a common cause or viewpoint.</li><li>A ground plan of a railroad or highway.</li><li>Archaeology: a line or an arrangement of parallel or converging lines of upright stones or menhirs.</li></ul>