| SPANDREL | Triangular space between the top of an arch and its rectangular frame (8) |
| KEYSTONE | What is the central building block in the top of an arch? (8) |
| INTERVAL | Time for a drink in the space between the notes? (8) |
| PEDIMENT | Triangular space over porch etc (8) |
| RAINBOWS | They are arch and they're colourful, by Heaven! (8) |
| ABUTMENT | A construction that takes the thrust of an arch or vault or supports the end of a bridge |
| VOUSSOIR | What is a wedge-shaped stone used in the construction of an arch? (8) |
| INTRADOS | The under surface of an arch (archit) (8) |
| FOOT | Locale of an arch and sole |
| CORNICE | A crowning portion of a classical entablature; or, more generally, a projecting moulding along the top of an arch, building, wall or window (7) |
| CROWN | A simple garland or wreath as a headdress originally, later a more grandiose jewelled diadem of a king or queen; or, the top of an arch, cut gem, hat, head, pineapple or tree (5) |
| EXTRADOS | Convex surface of an arch (8) |
| ULLAGE | The quantity by which a container falls short of being full; or, the empty space between the cork and the top of the wine in a bottle (6) |
| RISE | Ascent; the surfacing of a fish to take a fly; the appearance of the Sun or the Moon above the horizon; the height of an arch, incline or step; or, an angry or excited response (4) |
| WEBB | Architect whose London designs include the facade of Buckingham Palace the Admiralty Arch and the frontage of the Victoria and Albert Museum (4) |
| FOLD | Herd of Highland cattle; a sheep pen; or, the division between the top and bottom halves of a broadsheet (4) |
| MANTLE | Middle layer of the earth between the top crust and core (6) |
| ASTEROIDBELT | The region of space between the orbits of Mars and Jupiter in which many minor planets are located (8,4) |
| CRYSTALLINESPHERE | The space between the fixed stars and the primum mobile once said to explain precession of the equinoxes |
| ERODED | Worn when having rode between the top and bottom of England (6) |
