剣けん石いし
Archaic
Meanings
Archaic
Noun
1. keystone
Kanji used
sword
stone
Pitch accent
け
んいし
Composed of
sword (esp. a large, double-edged one); blade; bayonet; swordsmanship; stinger; ovipositor
stone; rock; jewel; precious stone; flint (in a lighter); (round) game piece