• synonyms


  1. the nut of the brown hickory, Carya glabra, of North America.
  2. the tree itself.
  3. the tuber of a European plant, Conopodium denudatum.
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Origin of pignut

First recorded in 1600–10; pig1 + nut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pignut

Historical Examples

  • As a name for this tree, smooth hickory would be preferable to pignut.

    American Forest Trees

    Henry H. Gibson

  • It appears that the pignut hickory is the most easily affected.

    Trees of Indiana

    Charles Clemon Deam

  • Elsewhere the pignut and the mockernut are called "hickory."

  • The thin outer husk of the pignut is not much larger than the nut.

    On the Trail

    Lina Beard and Adelia Belle Beard

  • The pignut deserves the better name, "smooth hickory," a more ingratiating introduction to strangers.

    Trees Worth Knowing

    Julia Ellen Rogers

British Dictionary definitions for pignut


  1. Also called: hognut
    1. the bitter nut of any of several North American hickory trees, esp Carya glabra (brown hickory)
    2. any of the trees bearing such a nut
  2. another name for earthnut
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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