1. 锚具：接地回路 ground return circuit | 锚具 ground tackle | 群阀 group valve

2. 锚设备：ground switch 接地开关 | ground tackle 锚设备 | ground temperature 地面温度

3. 锚泊属具：ground tackle 泊具 | ground tackle 锚泊属具 | ground tackle 锚泊索具

4. 锚泊装置：ground glass 毛玻璃 | ground tackle 锚泊装置 | ground water 地下水

noun

1. a mechanical device that prevents a vessel from moving

Synonym: anchor