Definitions Found:
MERIDIONAL, of or pertaining to the meridian, a line of longitude
- meridionallyMERIDIONAL, of or pertaining to the meridian, a line of longitude
- meridionalof or pertaining to the meridian, a line of longitude / a southerner
- substylarpertaining to a substyle, the line on which the style or gnomon of a sundial stands
- longitudesLONGITUDE, the angular distance of any place on the earth's surface, east or west of a standard meridian (eg that of Greenwich)