to be, go, all round (an area, thing)an edge, e.g. of a floor;
enclose, encircle something
Cases of word usage
1) to surround (a place) with armed forces (besiege)
2) to surround or cover (something) completely (encase)
3) to surround something (encircle)
4) to surround (something) (encompass)
5) an operation of armed forces who surround a town etc and prevent supplies from going in (siege)
