Having a southern aspect; southern; southerly. "Offices that require heat... should be meridional."
Meridional distance, the distance or departure from the meridian; the easting or westing.
Meridional parts, parts of the meridian in Mercator's projection, corresponding to each minute of latitude from the equator up to 70 or 80 degrees; tabulated numbers representing these parts used in projecting charts, and in solving cases in Mercator's sailing.
... I shall call a "Sotadic Zone," bounded westwards by the northern shores of the Mediterranean (N. Lat. 43 ) and by the southern (N. Lat. 30 ). Thus the depth would be 780 to 800 miles including meridional France, the Iberian Peninsula, Italy and Greece, with the coast-regions of Africa from ... — The Book of the Thousand Nights and a Night, Volume 10 • Richard F. Burton