Round or ring-shaped, particularly with distinct margins forming some sort of motive; annular.
Used of leaves or similar parts that are coiled on themselves from the apex toward their base.
Having the shape of an oval.
Of or pertaining to an ovum.
A thing having such a shape, such as an arena.
In a projective plane, a set of points such that no three are collinear and there is a unique tangent line at each point.
An elongated round shape resembling an egg or ellipse.
A sports field, typically but not exclusively oval in shape.