ante meridiem definition

  • adverb:
    • Before noon. Used mainly when you look at the abbreviated type to specify the time: 10:30 A.M.; an A.M. visit. See Usage Note at A.M.
    • before noon, each day.
    • before noon
    • Before noon. Pre-owned chiefly in the abbreviated kind to specify the hour: 10:30 A.M.; an A.M. appointment. See Usage Note at A.M.
    • before noon, each morning.
    • before noon
  • others:
    • Before midday: put on the full time between midnight and the following noon. Regularly abbreviated to A. M.
    • Before midday: placed on the full time between midnight and following noon. On a regular basis abbreviated to A. M.
  • adjective:
    • before noon
    • before noon
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