To go around, especially, to circumnavigate.
To include completely; to describe fully or comprehensively.
To form a circle around; to encircle.
To include within its scope; to circumscribe or go round so as to surround; to enclose; to contain.
To prevent from escaping or deteriorating.
To fix the value of (something potentially variable).
To secure (someone or something) in a locked enclosure.