Found 2 items, similar to bitternut.
English → English (WordNet) Definition: bitternut bitternut n : hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts [syn: bitternut hickory , bitter hickory, bitter pignut, swamp hickory , Carya cordiformis]
English → English (gcide) Definition: Bitternut Bitternut \Bit"ter*nut"\, n. (Bot.) The swamp hickory (Carya amara). Its thin-shelled nuts are bitter. [1913 Webster]