Noun bitternut hickory has 1 sense
  1. bitternut, bitternut hickory, bitter hickory, bitter pignut, swamp hickory, Carya cordiformis - hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts
    --1 is a kind of hickory, hickory tree
    --1 is a member of Carya, genus Carya
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