What is the meaning of ?

the Dragon, the fifth of the twelve Earthly Branches

by extension from the zodiac:

  1. the name of the year or day corresponding to the fifth in a cycle of twelve
  2. roughly east-southeast, specifically 30° south of due east (i.e. a bearing of 120°)
  3. the hour of the dragon, specifically 7:00 AM to 9:00 AM; sometimes treated as 8:00 AM to 10:00 AM instead
  4. alternate name for 三月 (sangatsu, the month of March)

the name of the year or day corresponding to the fifth in a cycle of twelve

roughly east-southeast, specifically 30° south of due east (i.e. a bearing of 120°)

the hour of the dragon, specifically 7:00 AM to 9:00 AM; sometimes treated as 8:00 AM to 10:00 AM instead

alternate name for 三月 (sangatsu, the month of March)

the Dragon, the fifth of the twelve Earthly Branches

Source: wiktionary.org