breadnut

1 :  a tropical American evergreen tree (Brosimum alicastrum) of the mulberry family with sticky latex, sweet berries, starchy seeds, and hard white to yellowish wood; also :  the fruit or seed ◆Each breadnut berry contains a single large seed that is often roasted and ground to make a coffee substitute or boiled and eaten. The seeds are also sometimes ground to make a meal for bread. The leaves, fruit, and young branches of the breadnut provide forage for cattle.

2 :  a tropical evergreen tree (Artocarpus camansi) of the mulberry family that is native to Papua New Guinea and Indonesia and has large, many-seeded, spiny fruits with little pulp; also :  the fruit ◆The breadnut was formerly treated as a seeded form of the breadfruit (Artocarpus altilis) but is now typically considered its ancestor.