What is the meaning of the word "today"?

Definitions:

  1. on this day as distinct from yesterday or tomorrow copy to clipboard adverb
    • I can't meet with you today copy to clipboard
  2. the day that includes the present moment, as opposed to yesterday or tomorrow copy to clipboard noun
    • Today it is not raining so I am going to go for a walk. copy to clipboard
  3. the present time or age copy to clipboard noun
    • the world of today copy to clipboard

Synonyms: