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|Noun||1.||round shape - a shape that is curved and without sharp angles|
shape, form - the spatial arrangement of something as distinct from its substance; "geometry is the mathematical science of shape"
bulb - anything with a round shape resembling a teardrop
disk, saucer, disc - something with a round shape resembling a flat circular plate; "the moon's disk hung in a cloudless sky"
curl, curlicue, gyre, ringlet, scroll, whorl, coil, roll - a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
ellipsoid of revolution, spheroid - a shape that is generated by rotating an ellipse around one of its axes; "it looked like a sphere but on closer examination I saw it was really a spheroid"
sphere - a three-dimensional closed surface such that every point on the surface is equidistant from the center
sphere - a solid figure bounded by a spherical surface (including the space it encloses)
cylinder - a surface generated by rotating a parallel line around a fixed line
torus, toroid - a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle
rim - the shape of a raised edge of a more or less circular object