chinkapin

from WordNet (r) 3.0 (2006)

chinkapin
    n 1: small nut of either of two small chestnut trees of the
         southern United States; resembles a hazelnut [syn:
         {chincapin}, {chinkapin}, {chinquapin}]

from The Collaborative International Dictionary of English v.0.48

Chinquapin \Chin"qua*pin\, n. (Bot.)
   A branching, nut-bearing tree or shrub ({Castanea pumila}) of
   North America, from six to twenty feet high, allied to the
   chestnut. Also, its small, sweet, edible nat. [Written also
   {chincapin} and {chinkapin}.]
   [1913 Webster]

   {Chinquapin oak}, a small shrubby oak ({Quercus prinoides})
      of the Atlantic States, with edible acorns.

   {Western Chinquapin}, an evergreen shrub or tree ({Castanopes
      chrysophylla}) of the Pacific coast. In California it is a
      shrub; in Oregon a tree 30 to 125 feet high.
      [1913 Webster]