In geometry, given two or more lines in the plane a transversal is a line distinct from the original lines and intersects each of the given lines in a single point
A straight line which traverses or intersects any system of other lines, as a line intersecting the three sides of a triangle or the sides produced
extending or lying across; in a crosswise direction; at right angles to the long axis; "cross members should be all steel"; "from the transverse hall the stairway ascends gracefully"; "transversal vibrations"; "transverse colon"