surround

v. t.

  1. To inclose on all sides; to encompass; to environ.
  2. To lie or be on all sides of; to encircle; as, a wall surrounds the city.
  3. To pass around; to travel about; to circumnavigate; as, to surround the world.
  4. To inclose, as a body of troops, between hostile forces, so as to cut off means of communication or retreat; to invest, as a city.

n.

  1. A method of hunting some animals, as the buffalo, by surrounding a herd, and driving them over a precipice, into a ravine, etc.