in or brought into line with or into proper relative position; -- of spatial position.

brought into agreement or cooperation on the side of a faction, party, or cause. Opposite of nonaligned.

brought into a straight or uniformly curved line.

The drivers in a multi-loudspeaker system are “aligned� when the sound produced by each driver in the system arrives at a specific location in at the same time.

A PL/I data area attribute, for binary data.

See naturally aligned.