"surround" in the noun sense
1. environment, environs, surroundings, surround
the area in which something exists or lives
"the country
"surround" in the verb sense
1. surround, environ, ring, skirt, border
extend on all sides of simultaneously encircle
"The forest surrounds my property"
2. smother, surround
envelop completely
"smother the meat in gravy"
3. besiege, beleaguer, surround, hem in, circumvent
surround so as to force to give up
"The Turks besieged Vienna"
4. wall, palisade, fence, fence in, surround
surround with a wall in order to fortify
Source: WordNet® (An amazing lexical database of English)
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