surround

(noun) the area in which something exists or lives. Synonyms: environment, environs, surroundings. Example: "The country--the flat agricultural surround."

(verb) extend on all sides of simultaneously; encircle. Synonyms: environ, ring, skirt, border. Example: "The forest surrounds my property."

(verb) envelop completely. Synonyms: smother. Example: "Smother the meat in gravy."

(verb) surround so as to force to give up. Synonyms: besiege, beleaguer, hem in, circumvent. Example: "The turks besieged vienna."

(verb) surround with a wall in order to fortify. Synonyms: wall, palisade, fence, fence in.