| Answer | Crossword Clue |
|---|---|
| landmark | The boundary of an area of land, or an object marking this |
| landmarks | The boundary of an area of land, or an object marking this |
| perimeter | The outermost parts or boundary of an area or object |
| perimeters | The outermost parts or boundary of an area or object |
| umbra | The fully shaded inner region of a shadow cast by an opaque object, esp. the area on the earth or moon experiencing the total phase of an eclipse |
| abutting | (of an area of land or a building) Be next to or have a common boundary with |
