What is the meaning of 親王?

prince

a specific rank granted to certain male members of the imperial family:

  1. an East Asian imperial prince who is either brother or son to the reigning emperor
  2. in ancient Japan, any of the emperor's brothers or sons
  3. any of the direct male descendants of the emperor of Japan, down to any imperial great-great-grandchildren
  4. any of the legitimate direct male heirs of the emperor of Japan

an East Asian imperial prince who is either brother or son to the reigning emperor

in ancient Japan, any of the emperor's brothers or sons

any of the direct male descendants of the emperor of Japan, down to any imperial great-great-grandchildren

any of the legitimate direct male heirs of the emperor of Japan

Short for 親王鬘 (shinnō kazura)., literally "imperial prince wig", specific style of wig used in kabuki

hanja form of 친왕

chữ Hán form of thân vương.

Source: wiktionary.org