Definitions

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

  • n. Either of two deciduous trees (Carya glabra or C. ovalis) of the eastern United States, having pinnately compound leaves, male flowers grouped in catkins, and nuts with somewhat bitter kernels.
  • n. The nut of either of these trees.
  • n. The wood of either of these trees.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The edible tuber of Conopodium majus, native to western Europe.
  • n. Any of various types of hickory or their fruits; a hognut.

from the GNU version of the Collaborative International Dictionary of English

  • n. See groundnut (d).
  • n. The bitter-flavored nut of a species of hickory (Carya glabra syn. Carya porcina); also, the tree itself.

from The Century Dictionary and Cyclopedia

  • n. Same as hawknut.
  • n. The fruit of a North American tree, the brown hickory, Hicoria glabra (Carya porcina); also, the tree itself.
  • n. The fruit of Omphalea triandra and O. diandra, of the West Indies and South America.

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

  • n. an American hickory tree having bitter nuts

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From pig + nut.

Examples

  • So long as it already covers two species in the North as opposed to one in the South, there are already two votes to one in favor of retaining the name pignut for Carya glabra and Carya ovalis.

    Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting. Battle Creek, Michigan, December 9 and 10, 1919

  • The meadows sway with flowers and sashaying grasses, and sooty black chimney sweeper moths rise up, flying low among pignut plants – their larval food plant.

    Country diary: Allendale, Northumberland

  • Heavy doses of nitrogen fertiliser will tip the competitive balance in favour of grasses, and soon purple wood crane's bill, blood-red greater burnet, frothy white pignut and meadowsweet, yellow lady's bedstraw, globe flower and blue speedwells will vanish, leaving an "improved" pasture – more productive, more profitable, but oh-so dull.

    Make hay meadow photos while the sun shines | Phil Gates

  • •Native upland vegetation is probably mixed oak forests and beech-oak forests; white and black oaks along with American beech, pignut and mockernut hickories, black walnut, tulip tree, and red maple once occurred.

    Ecoregions of New Jersey (EPA)

  • The island and mainland slopes are covered with deciduous forest, with abundant red oak, chestnut oak and pignut hickory.

    Hudson River National Estuarine Research Reserve, New York

  • This temperate deciduous oak-hickory forest is dominated by oaks including white, black and chestnut oaks, Quercus alba, Q. velutina, Q. prinus and hickories including pignut and mockernut, Carya glabra and C. tomentosa with some beech Fagus sp., maples Acer spp., tulip tree Liriodendron tulipifera, ash Fraxinus sp. and eastern red cedar Juniperus virginiana.

    Mammoth Cave National Park, United States

  • Dry upland forests contain blackjack oak, post oak, scarlet oak, pignut hickory, and white oak.

    Ecoregions of Illinois (EPA)

  • Angelica is an umbellifer, like carrot, pignut and hemlock.

    Coffee Fads « We Don't Count Your Own Visits To Your Blog

  • Common hardwoods of the oak-hickory association include scarlet, post, and blackjack oaks (Quercus coccinea, Q. stellata, and Q. marilandica, respectively), and pignut and mockernut hickories (Careya glabra and C. tomentosa).

    East Central Texas forests

  • It occurs on upland sites in hardwood forests with black oak, red oak, chestnut oak, pignut hickory, yellow poplar, maple, and with ash along streams.

    Chapter 8

Comments

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  • There is a gnu inside every pignut.

    March 3, 2010