LATIN DICTIONARYLexicon Latīnum
English → Latin

“meridian” in Latin

The English word meridian itself goes back to Latin merīdiēs, through merīdiānum.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

meridian
Mid-day, meridies; tempus meridianum.
Supposed circle which the sun passes at noon, circulus meridianus (Sen., N.Q., 5, 17, 3); and simply meridianus (Velleius, Hor.): the line of meridian, linea aequinoctialis or meridiana; or simply meridiana (Vitr., 9, 5): Figuratively, Height, summit, summum; fastigium; summum culmen (Liv.).

Quick answer

What is the Latin word for meridian?
The usual Latin words for “meridian” are merīdiēs, merīdiānus, Velleius; also summus, fastīgium. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.