intersection

noun

1. The junction of two (or more) paths, streets, highways, or other thoroughfares.

   “Near-synonym: crossroads”

   “We determined that the car driver’s transportation of multiple teen passengers, limited driving experience, and likely impairment from effects of cannabis at the time of the crash adversely affected her judgment of the danger of entering the intersection in front of the approaching combination vehicle.”

2. Any overlap, confluence, or crossover.

   “Within this melee of intersections between English and Cantonese, the students, being themselves bilingually fluent, were able to navigate with perfect ease in communicative contexts where the provenance of a certain term or expression matters little.”

3. The point or set of points common to two geometrical objects (such as the point where two lines meet or the line where two planes intersect).
4. The set containing all the elements that are common to two or more sets.
5. The element where two or more straight lines of synchronized skaters pass through each other.https://web.archive.org/web/20120214131704/http://www.isu.org/vsite/vcontent/content/transnews/0,10869,4844-128590-19728-18885-295370-3787-4771-layout160-129898-news-item,00.html
6. The pullback of a corner of monics.