custard apple noun6 •Any of several tropical fruits in the genus Annona. •A bullock's heart (Annona reticulata); •A soursop (Annona muricata; fruit and tree); •A sugar apple (Annona squamosa); •A cherimoya (Annona cherimola). •A pawpaw (fruit of Asimina triloba).If you’ve ever sampled an American custard apple, a prairie banana or a hillbilly mango, then you’ve eaten a pawpaw. — 2023 formscustard apples