CIRCUMFERENCE

[noun] - the distance around a circle, or the distance around the widest part of a circular or round object; the line enclosing a circular spacethe circumference of a circle/an orange [C]Draw a circle 30 centimetres in circumference. [U]See picture: ShapesThe circumference is the outside edge of an area of any size or shape.When walking dogs, please keep to the circumference of the park.