1) Circular 2) Circular or nearly circular 3) Orbicular 4) Round 5) Rounded 6) Simple 7) Unsubdivided 1) Circular 2) Orbicular 3) Round 4) Unsubdivided 
• (a.) Alt. of Orbiculated • (n.) That which is orbiculate; especially, a solid the vertical section of which is oval, and the horizontal section circular.
Or·bic'u·late noun That which is orbiculate; especially, a solid the vertical section of which is oval, and the horizontal section circular. 
[adj] - circular or nearly circular
orbiculate 1. A solid the vertical section of which is oval, and the horizontal section circular. 2. Orbicular; rounded.
orbicular adjective circular or nearly circular
orbicular; rounded.