Of or pertaining to the meridian.
Having a southern aspect; southern; southerly.
of or relating to a meridian
located in the south or characteristic of southern people or places
Refers to meridians or lines of longitude.
In the north-south direction; along a meridian.
In meteorology, a flow, average, or functional variation taken in a direction that is parallel to a line of longitude; along a meridian; northerly or southerly; as opposed to zonal.