Source : Webster's Revised Unabridged Dictionary (1913)

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 {C. alba}, and has a
   very rough bark; it affords the hickory nut of the markets.
   The pignut, or brown hickory, is the {C. glabra}. The swamp
   hickory is {C. amara}, having a nut whose shell is very thin
   and the kernel bitter.

   {Hickory shad}. (Zo["o]l.)
   (a) The mattowacca, or fall herring.
   (b) The gizzard shad.