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Of, relating to, or taking place in the morning.

[Latin antemerīdiānus : ante-, ante- + merīdiānus, of noon; see meridian.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Horology) before noon; in the morning
[C17: from Latin antemerīdiānus; see ante-, meridian]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌæn ti məˈrɪd i ən)

1. occurring before noon.
2. of or pertaining to the forenoon.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.antemeridian - before noonantemeridian - before noon        
postmeridian - after noon
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
1.) is a type of dual-hemisphere Equatorial Stereographic (azimuthal) projection with one hemisphere having a specific prime meridian and the other its antemeridian. It is the oldest surviving example of the equatorial stereographic projection being used for a map of the world (Keuning, 1955; Wallis, 1981a).
The first 12-hr period is often called antemeridian or AM and the second, postmeridian or PM, commonly known simply as morning and afternoon.
His borrowings are peripheral: central to the work are its subtle design, its humanity and the antemeridian glow into which Judas leads the soldiers of the Pharisees.