Thesaurus Term/Concept: FOUR CENTRED ARCH
| Identifier | 137793 |
|---|---|
| Class | COMPONENTS |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A pointed arch which, on a plan, is shown to be constructed around four arcs: two centred below and two centred upon the springing line, which is the level at which the vertical sides of the arch begin to curve. |