circumscribe

Concise Oxford English Dictionary © 2008 Oxford University Press:
circumscribe/ˈsɜːkəmskrʌɪb/

▶verb

• 1 restrict; limit.

• 2 Geometry draw (a figure) round another, touching it at points but not cutting it. Compare with inscribe.

– derivatives
circumscriber noun,
circumscription noun.

– origin ME: from L. circumscribere, from circum ‘around’ + scribere ‘write’.