胡桃樹的一種;其果實
Shellbark \Shell"bark`\, n. (Bot.) A species of hickory ({Carya alba}) whose outer bark is loose and peeling; a shagbark; also, its nut.
shellbark n : North American hickory having loose gray shaggy bark and edible nuts [syn: {shagbark}, {shagbark hickory}, {shellbark hickory}, {Carya ovata}]