Comprehensive Chinese-English Dictionary

及笄 [jíjī]

1. 1. verb Referring to ancient girl aged 15; a girl of 15-year-old should tie up her hair with a hairpin to show her being matured.(笄: a hairpin used by ancient people).

   古代女子成年很早, 及笄已算成年, 但其实才15岁。

   Ancient girls came of age much earlier than we do today. They became adults at the time they began to bind their hair, but actually they were only 15 years old at that time.