Encircle (verb)

To form a circle around something; to surround something completely.

Origin:

Late middle english: from old french encirculer, from en- "in" + circuler "to encircle", from latin circulare "to go round".

Examples:

1. The city was encircled by a wall.
2. The troops encircled the enemy.
3. The mountains encircled the valley.
4. The crowd encircled the performer.
5. The city was encircled by a ring road.