butt crack
The line dividing illuminated areas from night areas is called the terminator.
The line 180 degrees from the Prime Meridian is called the International Date Line, which serves as the boundary between one day and the next on the Earth's surface.
eubacteria likes it in the butt. i said what what in the butt.
The terminator is the line - on any planet - between light and dark.... but it is rarely a 'line' in the true sense here on Earth, it's more of a zone.
oof
it is called a butt
gluteal fold
It is between the two muscles called the gluteus maximus. These form the "butt cheeks".
A line between two verticies is called a line segment.
The portion of a line that falls between two points is called a line segment.
The line is called the terminator
Butt
butt crack.
It is called a vinculum.
It is called a border.
Durand Line ,,
the tree line