1) Circle 2) Walk around 3) Walk around something 1) Roam 
• (v. t.) To walk round about.
Cir`cum·am'bu·late transitive verb [ Latin circumambulatus , past participle of circumambulare to walk around; circum + ambulare . See Ambulate .] To walk round about. -- 
[v] - walk around something
circumambulate 1. To walk around (something), especially as part of a ritual. 2. To avoid the point of a subject or discussion.
verb walk around something
to walk or go about or around, esp. ceremoniously.
walk around something