博

bó
  1. (bound form) abundant; plentiful; extensive; wide
  2. to win; to gain
  3. to play; to gamble
  4. learned; well-read
  5. (bound form) doctoral degree (abbr. for 博士 bóshì)
  6. (bound form) blog (abbr. for 博客 bókè)

CEDICT

Homographs

愽 bó old variant of 博 bó