1 narrow horizontal shelf coming out from a wall, cliff, etc 水平的窄长架状突出物; 壁架; 岩石架
*a window-ledge 窗台
* The climbers rested on a sheltered ledge jutting out from the cliff. 登山者在突出于峭壁处有遮挡的岩石架上休息.
* a ledge for chalk beneath the blackboard 黑板下方的粉笔槽.
2 ridge of rocks under water, esp near the shore 暗礁, 岩礁（尤指近岸的）.
[Date: 1500-1600; Origin: Perhaps from legge, an early form of LAY1]
a narrow flat piece of rock that sticks out on the side of a mountain or cliff
We crept carefully along the narrow ledge.
He leapt onto a ledge of rock.
a narrow shelf
There's some money on the window ledge (=narrow shelf below the window) .