A corner.
The place where two points meet is known as an intersection in math.
When two sides (called faces) of a 3-dimensional shape meet, they meet at an edge.
an edge
The edge.
a corner
at an intersection
intersection
When two streets intersect or meet, it is called an intersection.
hi im bobby meet me at my place
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.
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 corner.
A place where two or more roads meet is called a JUNCTURE.