meridiem

Meaning

  1. (rare, uncountable) Midday, noon.
  2. (countable) The property of a timestamp of being either a.m. or p.m.

Synonyms

Etymology

Back-formation from the phrases ante meridiem and post meridiem (more commonly a.m. and p.m.), from Latin merīdiem, accusative of merīdiēs (“midday, noon”).

Notes

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