- prolate, watermelon-shaped - having the polar diameter greater than the equatorial diameter; "a prolate spheroid is generated by revolving an ellipse about its major axis"
Antonyms: oblate, pumpkin-shaped
- egg-shaped, elliptic, elliptical, oval, ovate, oviform, ovoid, prolate - rounded like an egg
Antonyms: angular, angulate (indirect, via rounded)