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.
Parallel means non-intersecting. For example, parallel lines means that if the two lines kept going forever, they would never cross over each otherâthey would always be an equal distance apart. Rectangle. Another box shape, with two sets of equal sides. Equal sides are opposite each other. The sides are parallel to each other. Itâs drawn like this: Trapezoid. Another 4 sided shape, with one set of parallel lines (the other set of lines is not parallel), drawn like this: Pentagon. A shape with five sides.