They usually use an anchor to hold a yacht in place.
The boat is anchored to the wall with this chain.
His mother's letters were an anchor to the boy.
To reach the port of heaven, we must sail sometimes with the wind and sometimes against it— but we must sail, and not drift, nor lie at anchor.
Façade scaffolds must be anchored securely (i.e. resistant to pressure and tension) on the object around which the scaffold is erected (ladder scaffolds, metal scaffolds
Like the anchor
We dropped anchor (= lowered the anchor into the water) and stopped.
He anchored himself to the ladder with a rope and started cleaning the gutter. Three ships were anchored in the harbour.
We anchored ourselves to the rocks with a rope.
We anchored south of the island.
He was an anchor for his family in those difficult moments.
anchored to the ceiling
An old anchor.
Of course Jon Stewart is America's most trusted anchor now—even our real news is a farce!