- egg-shaped, elliptic, elliptical, oval, ovate, oviform, ovoid, prolate - rounded like an egg
Antonyms: angular, angulate (indirect, via rounded)
- ellipse, oval - a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it; "the sums of the distances from the foci to any point on an ellipse is constant"
--1 is a kind of conic section, conic
--1 has particulars: circle