The Nautical Encyclopedia

Patterson’s Illustrated Nautical Encyclopedia — Howard Patterson, 1891

⚓ The Superstition Locker ⚓

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Home ⚓ Letter M ⚓ Meridian Observation

Meridian Observation

Navigation

An altitude of the sun, moon or planets when on the meridian.

← Meridian Line All “M” entries Meridian Passage →

About Historical Disclaimer Terms and Conditions Privacy Policy Contact

The Nautical Encyclopedia (1891) is in the public domain; this digital edition © 2026 PhotoOpAI.