Intersection (noun)

1. A place where two or more roads, streets, or railway lines cross each other.
2. The set of elements common to two or more sets.
3. A meeting or crossing of two or more things.

Origin:

Late 16th century (denoting a meeting or crossing of two lines or paths): from latin intersectio(n-), from inter- "between" + sectio "a cutting".

Examples:

1. The intersection of Main Street and 5th Avenue was congested with cars and buses during rush hour.
2. The intersection of the two sets represented the shared elements between them.
3. The intersection of the lines on the graph indicated the point at which they intersected.
4. The intersection of the two rivers formed a large delta where they joined together.
5. The intersection of the two cultures resulted in a blending of their traditions and customs.