Carya glabra

Carya glabra
    n 1: an American hickory tree having bitter nuts [syn: {pignut},
         {pignut hickory}, {brown hickory}, {black hickory}, {Carya
         glabra}]
    

Pignut \Pig"nut\ (p[i^]g"n[u^]t), n. (Bot.)
   (a) See {Groundnut}
   (d) .
   (b) The bitter-flavored nut of a species of hickory ({Carya
       glabra} syn. {Carya porcina}); also, the tree itself.
       [1913 Webster]
    

Hickory \Hick"o*ry\, n. [North American Indian pawcohiccora
   (Capt. J. Smith) a kind of milk or oily liquor pressed from
   pounded hickory nuts. "Pohickory" is named in a list of
   Virginia trees, in 1653, and this was finally shortened to
   "hickory." --J. H. Trumbull.] (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.
   [1913 Webster]

   {Hickory shad}. (Zool.)
   (a) The mattowacca, or fall herring.
   (b) The gizzard shad.
       [1913 Webster]