Hog'nut` noun (Botany) (a) The pignut. See Hickory . (b) In England, the Bunium flexuosum , a tuberous plant. Found on http://www.encyclo.co.uk/webster/H/52
the nut of the brown hickory, Carya glabra. · the tree itself. · the pignut. · the earthnut, Conopodium denudatum, of Europe. Found on https://www.infoplease.com/dictionary/hognut