'Cavetto' definitions:

Definition of 'cavetto'

(from WordNet)
noun
A concave molding shaped like a quarter circle in cross section

Definition of 'Cavetto'

From: GCIDE
  • Cavetto \Ca*vet"to\ (k[.a]*v[e^]t"t[-o]), n. [It. cavetto, fr. cavo hollow, L. cavus.] (Arch.) A concave molding; -- used chiefly in classical architecture. See Illust. of Column. [1913 Webster] Caviar