| Shellbark | n. (Bot.) A species of hickory (Carya alba) whose outer bark is loose and peeling; a shagbark; also, its nut. [ 1913 Webster ] |
| big shellbark | (n) hickory of the eastern United States resembling the shagbark but having a much larger nut, Syn. big shellbark hickory, king nut, big shagbark, king nut hickory, Carya laciniosa |
| shagbark | (n) North American hickory having loose grey shaggy bark and edible nuts, Syn. shellbark hickory, shellbark, Carya ovata, shagbark hickory |