| CAIRN | Pile of stones that marks a place |
| DOGEAR | To fold the corner of a page, often to mark a place in a book (3,3) |
| BOUNDARY | A line that marks a limlt (8) |
| BONFIRENIGHT | Yearly event that marks a failed 1605 regicide attempt |
| CARDSHARPIE | Felt-tip that marks a deck? |
| ENDOFANERA | Fernando is working in emergency department? That marks a turning point (3,2,2,3) |
| OKINA | Symbol resembling an apostrophe that marks a glottal stop, as in "Hawai'i" |
| HEDGE | Row of bushes that mark a boundary |
| SRO | Letters that mark a sold-out show |
| CLAPPER | A former word for a rabbit hole; a primitive type of bridge built from planks laid on piles of stones; the tongue of a bell; or, a wooden contrivance for scaring birds (7) |
| STEPPING | Stones that provide a way to cross a river |
| GEM | Type of stone that might be set in a ring |
| ROCKSKIPPER | Person with a pile of stones at a lake |
| ROCKFALL | An avalanche of loose stones that has come down a cliff face (8) |
| BRIDGES | Simple spanning causeways of logs or stepping-stones that evolved into the feats of engineering we know as aqueducts, pontoons, viaducts etc, ideally with no structural groans (7) |
| LOGAN | One of the Stones that rocks? (5) |
| RUBIES | Stones that makes a bruise (6) |
| STATUS | Standing stones that are turned upright: Stonehenge, earliest of all (6) |
| UNFROCKS | Fun throwing stones that one throws out of order? (8) |
| QUARRY | Source of stone that is sought by hunters (6) |
