To have previous knowledge of; to know beforehand.
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 o...
