hick·o·ry /ˈhɪk(ə)ri/
 山胡桃樹,山胡桃木
 Hick·o·ry n.  Bot. An American tree of the genus Carya, of which there are several species.  The shagbark is the Carya alba, and has a very rough bark; it affords the hickory nut of the markets.  The pignut, or brown hickory, is the Carya glabra.  The swamp hickory is Carya amara, having a nut whose shell is very thin and the kernel bitter.
 Hickory shad. Zool. (a) The mattowacca, or fall herring. (b) The gizzard shad.
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 hickory
      n 1: valuable tough heavy hardwood from various hickory trees
      2: American hardwood tree bearing edible nuts [syn: hickory
         tree]