- ovoid⇄adj. 1. oval with one end more pointed than the other; egg-shaped; ovate.
2. of this form with the broader end at the base, as a pear or avocado is. - ovoid⇄noun 1. an egg-shaped object.
2. (Geology.) a region or body having a rectangular shape with rounded corners.
Ex. Each of these ovoids [on one of the moons of Uranus] is 200 to 300 kilometers (120 to 180 miles) across, and they are unlike an - ovoid⇄ovoid, adjective, noun.