Lines that intersect in a point are called intersecting lines. Lines that do not intersect are called parallel lines in the plane, and either parallel or skew lines in three-dimensional space.
Intersecting Lines
See also
Coincident Lines, Line-Line Intersection, Parallel Lines, Skew LinesExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Intersecting Lines." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/IntersectingLines.html