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Related to cavetto: cavetto cornice
n. pl. ca·vet·ti (-vĕt′ē) or ca·vet·tos
A concave molding with a cross section that approximates a quarter circle.
cavetto(kəˈvɛtəʊ; Italian kaˈvetto)
n, pl -ti (-tɪ; Italian -ti)
(Architecture) architect a concave moulding, shaped to a quarter circle in cross section
[C17: from Italian, from cavo hollow, from Latin cavus]
ca•vet•to(kəˈvɛt oʊ, kɑ-)
n., pl. -ti (-tē), -tos.
a concave architectural molding the outline of which is a quarter circle.
[1670–80; < Italian, derivative of cav(o) < Latin cavus or cavum hollow place]