Meridional
Pronunciation : Me*rid"i*o*nal
Part of Speech : a.
Etymology : [F. m?ridional, L. meridionalis, fr. meridies midday. See Meridian.]
Definition : 1. Of or pertaining to the meridian.
2. Having a southern aspect; southern; southerly. Offices that require heat ... should be meridional. Sir H. Wotton. 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.
Source : Webster's Unabridged Dictionary, 1913