← Back to browse雷鈷らいこ[raiko]nounJapanese definitionNo Japanese definition yet.English definitionground stone tool from the late Jomon periodExamplesNo examples yet.Loading examples…Ask about thisKanji雷thunder; lightning boltライ / かみなり、いかずち、いかづち · 13 strokes雷地雷魚雷機雷落雷雷雨雷鳴雷撃鈷cobaltコ · 13 strokes三鈷独鈷独鈷石飛行の三鈷