south1 S1 W2 , South written abbreviation S [singular, uncountable]
the direction that is at the bottom of a map of the world, below the Equator. It is on the right if you are facing the rising sun:
Which way is south?
from/towards the south
By now the army was approaching from the south.
to the south (of something)
Gatwick airport is a few miles to the south of London.