A bold but shallow cavetto or hollow cornice moulding is frequently carried along the wall just under the parapet.
"The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed." by Matthew Holbeche Bloxam
Cavetto (molding) 94 188.
"Carpentry for Boys" by J. S. Zerbe
The cornices are often simply splayed or are formed of a series of ogees, fillets, and cavettos.
"Byzantine Churches in Constantinople" by Alexander Van Millingen
Fourthly: Byzantine bases, if they have an incision between the upper roll and cavetto, are very apt to approach the form of fig.
"The Stones of Venice, Volume III (of 3)" by John Ruskin
Each grain has the following moldings: a thick angle torus, a listel, a shallow cavetto and a row of carved hollow saw-teeth.
"Romanesque Art in Southern Manche: Album" by Marie Lebert