cir·cum·scribe 
/ˈsɚkəmˌskraɪb/ verb
cir·cum·scribes; cir·cum·scribed; cir·cum·scrib·ing /ˈsɚkəmˌskraɪb/ verb [+ obj] 1 formal : to limit the size or amount of (something) — usually used as (be) circumscribed ▪ His role as president was carefully circumscribed by the board. ▪ plants that are found only in a circumscribed [=limited] area 2 technical : to draw a shape around (another shape)
▪ The circle is circumscribed by a square.
▪ The circle is circumscribed by a square.
