Source : Webster's Revised Unabridged Dictionary (1913)

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}.]

   {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.

Source : WordNet®

Quercus prinoides
     n : deciduous shrubby tree of northeastern and central United
         States having a sweet edible nut and often forming dense
         thickets [syn: {dwarf chinkapin oak}, {dwarf chinquapin
         oak}, {dwarf oak}]