A Meridian (I Think)
another name for a line of longitude is meridian.
Another name for a line of longitude is "meridian."
A "meridian" is a line of constant longitude.
longitude
another name for a line of longitude is meridian.
They're often referred to as "meridians" of longitude.
Every 'line' of constant longitude is a 'meridian'.
Another name for a line of longitude is a Meridian, with the Prime Meridian being zero that passes through Greenwich, UK.
Another name is Prime Meridian.
'Lines' of longitude are called "meridians".The equator is not one of them.
The Prime Meridian
Its The meridian if you did not know this or the prime meridian.