observer's meridian

1. 1.

   a meridian that passes through the observer's zenith

   Broadermeridian

Questions about observer's meridian

What does observer's meridian mean?

observer's meridian means "a meridian that passes through the observer's zenith".

Is observer's meridian a common word?

observer's meridian is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.