What's the noun for cornish? Here's the word you're looking for.
cornice
(architecture) A horizontal architectural element of a building, projecting forward from the main walls, originally used as a means of directing rainwater away from the building's walls.
A decorative element applied at the topmost part of the wall of a room, as with a crown moulding.
A decorative element at the topmost portion of certain pieces of furniture, as with a highboy.
“The elegant cornice adorning the exterior of the building not only added beauty but also functioned effectively by diverting rainwater away from the structure.”
“The traditional trefoil window arch expressed in timber is ubiquitous, along with corbelled timber dentils used as a supporting cornice.”
“The fluid, bending form creates an always-varying interstitial space in the courtyard as it rises to about the height of the existing cornice.”
cornish
One of several decorative rings around the barrel of a cannon; the next ring from the muzzle backwards.