Definition of "kingnut" [kingnut]

• The mockernut-tree, Carya lomentosa; also, its fruit. (noun)

The Century Dictionary (Public Domain)

• "Some places it is called kingnut and some places they call it under the name of this big one in the show room, shellbark."
• "This species may prove to be of value as a stock for grafting with the shellbark kingnut and some of the good hybrid hickories."
• "The big shellbark or kingnut is common to the south and southwest regions, but its range is not as wide as others."