WordWeb Online

1. A point where lines intersect
   - intersection point, point of intersection
    
2. A junction where one street or road crosses another
   - crossroad, crossway [N. Amer], crossing, carrefour
    
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";
   - product, Cartesian product
    
5. A representation of common ground between theories or phenomena
   - overlap, convergence
    
6. The act of intersecting (as joining by causing your path to intersect your target's path)

Derived forms: intersections

Type of: connection, connexion [Brit], internal representation, joining, junction, mental representation, point, representation, set

Part of: road, route

Encyclopedia: Intersection