chocks

用作楔子或填充物的物体,尤指置于轮后防止滚动的物体。

Any object used as a wedge or filler, especially when placed behind a wheel to prevent it from rolling.

用于限制运动的配件或固定装置,尤指限制绳索移动；传统上为舷墙附近的装置,有两个相对伸出的角,中间留有可插入绳索的缝隙。

Any fitting or fixture used to restrict movement, especially movement of a line; traditionally was a fixture near a bulwark with two horns pointing towards each other, with a gap between where the line can be inserted.