1. a 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.
  2. the fruit of this tree, which may weigh up to 70 pounds (32 kg).

Origin of jackfruit

First recorded in 1810–20; jack3 + fruit
Also called jak, jack.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for jackfruit



  1. a tropical Asian moraceous tree, Artocarpus heterophyllus
  2. the edible fruit of this tree, which resembles breadfruit and can weigh up to 27 kilograms (60 pounds)
Sometimes shortened to: jack, jak

Word Origin for jackfruit

C19: from Portuguese jaca, from Malayalam cakka
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012