ovolo

noun, plural o·vo·li [oh-vuh-lahy] /ˈoʊ vəˌlaɪ/. Architecture.

1. a convex molding forming or approximating in section a quarter of a circle or ellipse.

noun plural -li (-ˌlaɪ)

1. architect a convex moulding having a cross section in the form of a quarter of a circle or ellipseAlso called: quarter round, thumb Compare congé (def. 3), echinus (def. 1)