They were in a wide and perfectly circular enclosure, protected by a high wall of green turf.

A circular enclosure, of course, geometrically, contains more space, for a given perimeter, than any other figure.

The church lies immediately east of the remains of a near circular enclosure which contained a hall.

The term is not normally used for larger features than these, which would instead be described as 'circular enclosures'.

Part of the churchyard wall remains, showing that it was originally within a mainly circular enclosure, as often found with early churches.

The road pattern shows an original circular enclosure, suggesting pagan Celtic origins.

It is set within a raised circular enclosure, with an arched lychgate (possibly of 17th-century date).

On the southwest side of the hill is a large, oddly-shaped limestone rock inside a circular enclosure.

These were circular defensive enclosures formed by the construction of a bank and a ditch.

It is a large circular enclosure covering most of the hilltop; about 13 hectares.