Noun
1. a point where lines intersect
2. a junction where one street or road crosses another
3. a point or set of points common to two or more geometric configurations
4. the set of elements common to two or more sets;
"the set of red hats is the intersection of the set of hats and the set of red things"5. a representation of common ground between theories or phenomena;
"there was no overlap between their proposals"6. the act of intersecting (as joining by causing your path to intersect your target's path)