west longitude
Geographical term used in coordinates, maps, and navigation. Often paired with 東経 (east longitude).
This point is located at 135 degrees west longitude.
West longitude and east longitude together are called longitude.
東経 measures longitude east of the prime meridian, while 西経 measures longitude west of it.
Compound of 西 (west) and 経 (longitude), following the pattern of 東経 (east longitude).