surround surround /sɝˈaʊnd/

noun

1. The area in which something exists or lives  ( surround , environment , environs , surroundings )
   the area in which something exists or lives
    The country--the flat agricultural surround
   the country--the flat agricultural surround
   
   

verb

1. () Extend on all sides of simultaneously; encircle  ( environ , ring , skirt , border , surround )
   extend on all sides of simultaneously; encircle
    The forest surrounds my property
   The forest surrounds my property
   
2. () Envelop completely  ( smother , surround )
   envelop completely
    Smother the meat in gravy
   smother the meat in gravy
   
3. () Surround so as to force to give up  ( beleaguer , circumvent , hem in , besiege , surround )
   surround so as to force to give up
    The Turks besieged Vienna
   The Turks besieged Vienna
   
4. Surround with a wall in order to fortify  ( fence , fence in , palisade , surround , wall )
   surround with a wall in order to fortify