What is the meaning of morning?

noun

• The time period between dawn and noon.
  • usage: "I spent the morning running errands"
  • synonyms: morn, morning time, forenoon
• A conventional expression of greeting or farewell.
  • synonyms: good morning
• The first light of day.
  • usage: "we got up before dawn"; "they talked until morning"
  • synonyms: dawn, dawning, aurora, first light, daybreak, break of day, break of the day, dayspring, sunrise, sunup, cockcrow
• The earliest period.
  • usage: "the dawn of civilization"; "the morning of the world"
  • synonyms: dawn