A corner.
A corner
corner
line
A place where two rivers meet is called a confluence.
A place where two routes meet are called Super-2.
The place where two or more railway lines meet is called a rail junction.
Two walls in a room meet to form and angle. If you wish to be equal distances from the two walls, you must be standing on the angle bisector.
The geometric term that describes the intersection of two walls is an "edge." In three-dimensional space, the edge represents the line where two flat surfaces, in this case, the walls, meet. If the walls form a corner, the intersection can also be referred to as a "vertex."
Often the place where two opposing force meet is called the battle field. Somewhere or sometime they will also meet at a peace table.
intersecting
A place where two or more roads meet is called a JUNCTURE.
A place where railroads meet or cross is usually referred to as a Junction.