Synset
the property possessed by a line or surface that is curved and not angular
<noun.attribute>
roundness
lexical pointers
derivationally related form
round
antonym
angularity
semantic pointers
hypernym
shape, form, contour, configuration, conformation
hyponym
rotundity, sphericity, sphericalness, globosity, globularness, rotundness
cylindricality, cylindricalness
circularity, disk shape