LONGITUDE

abbreviation long [noun] - the position to the east or west of an imaginary line on the Earth's surfaceLocal time is dependent on longitude, so how should you set your watch at the poles? [U]Iceland is at a longitude west of the Greenwich meridian. [C]Compare latitude (POSITION).Lines of longitude are imaginary lines running north and south around the Earth. Degrees, minutes and seconds of longitude measure how far east or west you are.Our current position is longitude 20 degrees east, latitude 30 degrees north.