'Postmeridian' definitions:

Definition of 'postmeridian'

adjective

After noon [ant: antemeridian]

Definition of 'Postmeridian'

From: GCIDE

Postmeridian \Post`me*rid"i*an\, a. [L. postmeridianus; post after + meridianus. See Meridian.]
1. Coming after the sun has passed the meridian; being in, or belonging to, the afternoon. (Abbrev. P. M.) [1913 Webster]
2. Fig., belonging to the after portion of life; late. [R.] [1913 Webster]

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