三鈷 さんこ Also written さんご Meanings Noun trident vajra See also: 金剛杵 (こんごうしょ). Kanji 三 three. Read as サン. 鈷 cobalt. Read as コ. Words containing 三鈷 飛行の三鈷 (ひぎょうのさんこ) three-pronged vajra flung by Kukai on his return from China to determine the Holy Land of Esoteric Buddhism Word lists Buddhism Jinuma: Japanese Dictionary · Word lists