石-20 矶 [磯] (名) a rock projecting over the water

矶    矶是形声字。石为形符；几为声符。徐铉注：“大石激水也。从石，几声。”矶是江河中石礁阻遏水流，激起水流冲击岩石。作名词，指矶石。

矶 [磯] (名) a rock projecting over the water