To extend on all sides of simultaneously; encircle: the magnetic field that surrounds the earth. To enclose or confine on all sides so as to bar escape or outside communication: The police surrounded the house. Something, such as fencing or a border, that surrounds: a fireplace surround. The area around a thing or place: inflammation extending to the surround of the eye. often Surroundings; environment:"It was the country, the flat agricultural surround, that so ravished me"(Listener). A method of hunting wild animals by surrounding them and driving them to a place from which they cannot escape.