edge-roll

The actual arches are of two orders, each of which has the edge-roll, while under the soffit, which is flat, is another roll between two mouldings that are hook-shaped in section.

Bell's Cathedrals: The Cathedral Church of Ripon A Short History of the Church and a Description of Its Fabric Cecil Walter Charles Hallett

In the clearstorey the shafts of the round arch in each bay are doubled, each couple sharing a common plinth and capital, from which latter springs a tiny shaft that carries the edge-roll of the arch; and the lancet arches also, where they adjoin the solid piers between the bays, have a shaft in the jamb.

Bell's Cathedrals: The Cathedral Church of Ripon A Short History of the Church and a Description of Its Fabric Cecil Walter Charles Hallett

About 14 feet from the west end occurs that 'straight joint' in the masonry which shows the separation of this aisle from the Mallory Chapel to have been an afterthought; and a little further east a round-headed doorway, moulded with the edge-roll and retaining a panelled door of some age, opens into the Chapter-house.

Bell's Cathedrals: The Cathedral Church of Ripon A Short History of the Church and a Description of Its Fabric Cecil Walter Charles Hallett

a semicircular arch of three orders with three detached shafts in either jamb, and as usual throughout almost all Archbishop Roger's work, the arch has the edge-roll between hollows (here on every order), the shafts are detached, their bases round upon square, and their capitals square-topped, with the edge of the abacus hollowed.

Bell's Cathedrals: The Cathedral Church of Ripon A Short History of the Church and a Description of Its Fabric Cecil Walter Charles Hallett