it is called a butt
A contour line below sea level is called a bathytherm.
butt crack
Butt
E
denominator
radius
angle of depression.
butt crack.
don't pass the line
below its urinary opening.
The number above the line in a fraction is called the numerator. The number below the line is called the denominator. So in the fraction 5/7 5 is the numerator and 7 is the denominator.