noun
also bullock heart ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷
Etymology: so called from its size and appearance
: a light green to yellow slightly bristly and somewhat acid tropical fruit that turns brown when fully ripe, is closely related to the soursop and sweetsop, and is produced on a small tree ( Annona reticulata ) native to tropical America but widely cultivated