WARNING: Antidepressant medications are used to treat a variety of conditions, including depression and other mental/mood disorders. These medications can help prevent suicidal thoughts /attempts and provide other important benefits.
Definition of parallel for Students. 1  1 : a line or surface that lies at or moves in the same direction as another but is always the same distance from it. 2  2 : one of the imaginary circles on the earth's surface running in the same direction as the equator and marking latitude.
: having parallel sides : a parallel line, curve, or surface : one of the imaginary circles on the surface of the earth paralleling the equator and marking the latitude : a character â¥ used in printing especially as a reference mark