加冠 [－－]

Jyutping gaa1 gun1
Pinyin jiā guān

Definitions (CC-CEDICT)
  1. (in former times) coming-of-age ceremony at 20 years
Definitions (Wiktionary)
  1. verb, archaic
    to perform a capping ceremony (coming of age ceremony for a young man at 20 years of age)