Dictionary definition · surround
noun
- the area in which something exists or lives"the country — the flat agricultural surround"
verb
- extend on all sides of simultaneously; encircle"The forest surrounds my property"
- envelop completely"smother the meat in gravy"
- surround so as to force to give up"The Turks besieged Vienna"
- surround with a wall in order to fortify
Source: Open English WordNet (CC BY 4.0).