八尺瓊勾玉 やさかにのまがたま Also written 八坂瓊曲玉, 八尺瓊曲玉, 八尺瓊の勾玉 Meanings Noun large jewel; string of jewels Yasakani no Magatama (the grand jewel or string of jewels; one of the three Imperial regalia) See also: 勾玉 (まがたま). See also: 三種の神器 (さんしゅのじんぎ). Kanji 八 eight. Read as や. 尺 shaku 瓊 red jewel; beautiful jewel. Read as たま. 勾 hook 玉 ball. Read as たま. Jinuma: Japanese Dictionary · Word lists