spher·oid 
(sfîroid′, sfĕr-)
(sfîroid′, sfĕr-)n.
A body that is shaped like a sphere but is not perfectly round, especially an ellipsoid that is generated by revolving an ellipse around one of its axes.
sphe·roidal (sfĭ-roidl), sphe·roidic (-roidĭk) adj.
sphe·roidal·ly adv.
sphe′roi·dici·ty (-dĭsĭ-tē) n.