1. Hickory of the eastern United States having leaves with 7 or 9 leaflets and thin-shelled very bitter nuts
   "The bitter pignut hickory is valued for its strong, hard wood";
   - bitternut, bitternut hickory, bitter hickory, swamp hickory, Carya cordiformis

Derived forms: bitter pignuts

Type of: hickory, hickory tree

Part of: Carya, genus Carya