boundary

We looked at buildings destroyed behind the Yellow Line - a boundary running along the north, south and east of Gaza.

Or the 28 sliding glass doors that seamlessly blend the boundaries between indoors and outdoors.

If scientists can engineer specific interactions between sensors, they can surpass this boundary.

The largest of the islands, Honshu, is in an especially precarious position, straddling the boundary between the Eurasian and North American Plates.

Outside those boundaries, responsibility falls to state police, which is rarely equipped for the challenge.