'Bitternut' definitions:
Definition of 'bitternut'
From: WordNet
noun
Hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts [syn: bitternut, bitternut hickory, bitter hickory, bitter pignut, swamp hickory, Carya cordiformis]
Definition of 'Bitternut'
From: GCIDE
- Bitternut \Bit"ter*nut"\, n. (Bot.) The swamp hickory (Carya amara). Its thin-shelled nuts are bitter. [1913 Webster]