noun.
The edible tuber of Conopodium majus, native to western Europe.
noun.
Any of various types of hickory or their fruits; a hognut.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
an American hickory tree having bitter nuts
Word Usage
"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."