Synonyms for engirdle

Then I beheld, spread out before me, the greater part of Greece, together with the countless islands that engirdle it.

If you choose, plant the foot of the ladder in a fiery test and engirdle each round with a forest of thorns.

Why engirdle its waist in warmth and cordage, and expose its feet to every storm and frost, to mud and snow?

If it is left till then, one can only engirdle the whole thing with a soft tarred rope and sling it up somehow or anyhow.