əˈlaɪn v.tr. 1 put in a straight line or bringinto line (three books were neatly aligned on the shelf). 2 esp. Polit. (usu. foll. by with) bring (oneself etc.) into agreement or alliancewith (a cause, policy, political party, etc.). øøalignment n. [F aligner f. phr. å ligne into line: see LINE(1)]