noun
large jewel; string of jewels
Archaic term for a large magatama jewel or a string of such jewels, often associated with ancient Japanese regalia.
古事記には八尺瓊勾玉が神宝として登場する。
In the Kojiki, the Yasakani no Magatama appears as a sacred treasure.
noun
Yasakani no Magatama (one of the three Imperial regalia)
Specifically refers to the sacred jewel that is one of the Three Sacred Treasures of Japan, alongside the mirror and sword.
八尺瓊勾玉は三種の神器の一つである。
The Yasakani no Magatama is one of the Three Sacred Treasures.