The Primal Meridian, also known as Homo Erectus Meridianus.
meridians
Longitude = Meridian
Parallels and meridians, respectively.
latitude lines is another name for parallels and longitude lines are called meridians
another name for a line of longitude is meridian.
They're often referred to as "meridians" of longitude.
It's called a Meridian.
Lines of longitude are also called meridians.
'Lines' of longitude are called "meridians".The equator is not one of them.
Name the two meridians east of the meridian on this map.
meridians
Latitudes are line Parallel to the equator placed equidistance on both sides. they are therfore some times called paralles and longitude is somtimes meridian hopes this helps:D