石
1
piedra
1
stone;rock;pebble
その子供は小さな石を拾い上げた。
The child picked up a small stone.
2
jewel;precious stone
3
flint (in a lighter)
4
(round) game piece;stone (in go, etc.);disc (in Othello)
5
stone (in the bladder, kidney etc.);calculus