錐 すい Meanings Noun cone; pyramid Kanji 錐 auger; drill; awl. Read as スイ. Words containing 錐 円錐 (えんすい) cone 錐体 (すいたい) cone 円錐曲線 (えんすいきょくせん) conic curve And 34 more. Jinuma: Japanese Dictionary · Word lists