round-bellied
/ˌraʊn(d)ˈbɛlɪd/ /ˈraʊn(d)ˌbɛlɪd/adjective
1Of a person or animal: having a round or rounded stomach or midriff, especially pot-bellied.
2Of a bottle or pot: that has a bulbous shape.
Origin
Early 17th century; earliest use found in Nathaniel Baxter (fl. 1569–1611), Church of England clergyman and author. From round + bellied.