What is your name meaning?

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• My name is Viet (Viet in Viet Nam word). My name meaning is a weapon, it's halberd. Halberd is the weapon that Lu Bu used in the Three Kingdoms period. That is the first meaning.
  
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• The second, Viet in Chinese is shade tree, I will be a shade tree project for everybody in my family.
  
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• The third, according to linguists ancient, Viet word is composed of 3 word is "sun, dragon and bird person", so Viet meaning is the civilization of the grandson and God so dragon.
• Let me know meaning of your name. Thank you!