from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A tropical American evergreen tree (Anacardium occidentale) widely cultivated for its edible nutlike kernels.
  • n. The kidney-shaped seed of this tree, eaten after roasting.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A tree, Anacardium occidentale, native to northeastern Brazil, now widely grown in tropical climates for its cashew nuts and cashew apples.
  • n. A cashew nut.

from the GNU version of the Collaborative International Dictionary of English

  • n. A tree (Anacardium occidentale) of the same family which the sumac. It is native in tropical America, but is now naturalized in all tropical countries. Its fruit, a kidney-shaped nut, grows at the extremity of an edible, pear-shaped hypocarp, about three inches long.
  • n. the cashew nut.

from The Century Dictionary and Cyclopedia

  • n. The Anacardium occidentale and its fruit. See Anacardium and cashew-nut.
  • n. Same as cachou.
  • n. See cushaw.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. kidney-shaped nut edible only when roasted
  • n. tropical American evergreen tree bearing kidney-shaped nuts that are edible only when roasted


Probably Portuguese acajú, from Tupi, from cajú, yellow fruit, acidic.
(American Heritage® Dictionary of the English Language, Fourth Edition)
French acajou, from Portuguese acajú, from Tupian acajuba or aka'iu. (Wiktionary)



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