Glossary · A
Astragal
Also called bead
A small convex moulding of semicircular section, like a bead; it rings the top of a column shaft just below the capital.
Rules that use the word
The alphabet of mouldings. Build every profile from a small set of elements (fillet, torus, astragal, scotia, ovolo, cavetto, cyma recta and cyma reversa), alternating curved with flat and light with shadow.
Where it appears in the book
In the chapters The Anatomy of an Order, The Tuscan Order, The Ionic Order.
Nearby in the glossary
Architrave · Arithmetic mean · Arris · Ashlar · Atrium · Attic · Attic base · Attractor