What does intersected mean?

Answer 1

It means when there are two circles and one is over lapping another. For instance a Venn-Diagram. Those two circles are over lapping (intersecting).
When 2 lines cut each other at any point they are said to intersect each other

Answer 2

where 2 lines go through each other. that is called point of intersection

It is when two things cross or intersect what is called intersection

Answer 3

pass or lie across each other this is the correct answer from chris

Answer 4

pass or lie across each other this is the correct answer from chris