orbiculate
spherical or circular; orbicular
Walter Morrison invented an orbiculate dish named the Frisbee in 1955.
Where it comes from
First attested in 1650; borrowed from Latin orbiculātus, from orbiculus; see -ate (adjective-forming suffix) and -ate (noun-forming suffix).
Adapted from the Wiktionary entry orbiculate (CC BY-SA 4.0).