I had meant to post somthing meaningful. Instead, some selected synonyms for the word round.
Circular, cycloid, disklike, diskoid, ring-shaped, ringlike, ringed, hoop, hooplike, hooped, rotiform, annular, cylindrical, tubular (dude), spherical, sheroidal, spheroid....and so many others. Thanks, J.I. Rodale's Synonym Finder!