meridional : Idioms & Phrases
Meridional distance
- the distance or departure from the meridian; the easting or westing.
Webster 1913
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.