Emily Dickinson Lexicon

ME-RID'I-AN, a.

1. Being on the meridian or at mid-day. The sun sat high in his meridian tower. Milton.
2. Pertaining to the meridian or to mid-day; as, the sun's meridian heat or splendor.
3. Pertaining to the highest point; as, the hero enjoyed his meridian glory.
4. Pertaining to the magnetic meridian.