Answer: ellipsoid

AnswerCrossword Clue
ELLIPSOIDOval-shaped figure
ELLIPSOIDOval.
ELLIPSOIDGeometrical figure
ellipsoida solid, all plane sections of which are ellipses or circles
ellipsoidA three-dimensional figure symmetrical around each of three perpendicular axes, whose plane sections normal to one axis are circles and all the other plane sections are ellipses