Transverse
Part of speech: adjective
Definition: Situated or lying across; side to side, relative to some defined "forward" direction. Not tangent: so that a nondegenerate angle is formed between the two things intersecting.
Transversal
Part of speech: adjective
Definition: Running or lying across; transverse; as, a transversal line.
Part of speech: noun
Definition: A line which traverses or intersects any system of other lines transversely.A set containing one member from each of a collection of disjoint sets.