a. rare. [ad. L. ante-merīdiān-us of the fore-noon, f. phr. ante merīdiem before noon: see -AN.] Of or belonging to the forenoon or morning.
1656. Blount, Glossogr., Antemeridian, before noon, or mid-day.
1865. Daily Tel., 18 April, 3/2. Everybody therefore had come out in attire that was decidedly ante-meridian, ornot to put too fine a point upon itseedy.