WordReference Random House Unabridged Dictionary of American English © 2026
jack•fruit
( jak′fro̅o̅t′),USA pronunciation n.
- Plant Biologya large, tropical, milky-juiced tree, Artocarpus heterophyllus, of the mulberry family, having stiff and glossy green leaves, cultivated for its very large, edible fruit and seeds.
- Plant Biologythe fruit of this tree, which may weigh up to 70 lb. (32 kg). Also called jak, jack.
- jack2 + fruit 1810–20
'jackfruit' also found in these entries (note: many are not synonyms or translations):