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Noun edit

four o'clock (uncountable)

  1. (In both the 12-hour clock and the 24-hour clock) The start of the fifth hour of the day; 4:00 a.m. (04:00).
    The breakfast buffet opens at four o'clock (= "The breakfast buffet opens at 4:00 a.m.").
  2. (Only in the 12-hour clock) The start of the seventeenth hour of the day; 4:00 p.m. (16:00).
    The next train comes at four o'clock (= "The next train comes at 16:00").
  3. (informal) A position to the right and slightly behind (horizontal clock orientation) (from the location of the 4 mark on a clock face)
    We've got a bogey at four o'clock.
  4. Any of several plants, of the genus Mirabilis, whose funnel-shaped flowers open in late afternoon.
  5. The friarbirds (Philemon spp.); so called from its cry, which resembles these words.

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