1. Pertaining to midday.

2. Pertaining to the meridian or at mid-day or to the highest point, or to the magnetic meridian. Magnetic meridian, a great circle, parallel with the direction of the magnetic needle, and passing through its poles.

3. A great circle supposed to be drawn so as to pass through the poles of the earth, and the zenith and nadir of any given place, intersecting the equator at right angles, and dividing the hemisphere into eastern and western; midday; roon; the highest point.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• meridans,
• merican,
• meridain,
• meridan,
• merdian,
• meridith,
• midian,
• maidian,
• meridien,
• meridaian,
• maridian,
• meadian,
• merrian,
• meridean,
• sheridian,
• ameridian,
• hebridsan,
• neridian,
• keridian,
• jeridian

• 4-martin,
• martinu,
• maritana,
• mortain,
• ex-meridian,
• myrtanae,
• Mardine,
• mauritania,
• Martyn,
• mardini,
• Martina,
• Black-martin,
• mortagne-du-nord,
• murten,
• mairtine,
• Free-martin,
• MORITANI,
• Martijn,
• craig-martin,
• martineau,
• meridien,
• post-meridian,
• mauritanie,
• Maritina,
• mortagne,
• Marteina,
• meridiani,
• mauretania,
• moreton,
• MARDAN,
• Mardyn,
• muritaniya,
• maritain,
• meriden,
• martonyi,
• Mardon,
• jean-martin,
• merton,
• Horse-marten,
• meridione,
• murdiono,
• moerdani,
• Martine,
• saint-martin,
• martan,
• murdannia,
• martigny,
• Peabody-Martini,
• TRANS-MERIDIAN,
• mardin,
• meridiano,
• saint-martin-de-varreville,
• maradona,
• martinho,
• moreton-in-marsh,
• Marden,
• moortown,
• morden,
• Martynne,
• Myrton,
• merredin,
• marten,
• Martoni,
• martone,
• maratona,
• three-martini,
• meridiana,
• Francini-Martini,
• Martenn,
• mirrodin,
• Martino,
• martin,
• Marteena,
• meriting,
• merteen,
• martin-in-the-fields,
• Martien,
• martini,
• martynia,
• Murton,
• Maarten,
• Merten,
• mardana,
• martiny,
• myriaton,
• Myrddin,
• meridional,
• bank-martin,
• Morten,
• martin-baker,
• maretin,
• Marton,
• morton,
• m.martin,
• lockheed-martin,
• prime-meridian,
• maradana,
• Martini-Henry,
• Martyne.

The adverb for the word "meridian" is "meridionally".

The adjective form of the word "meridian" is "meridional".

The plural of the "meridian" can be the "meridians".

The singular of the "meridian" can be the "meridian".