noun (n)

• a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets(noun.plant)

  Synonym:
  blackjack, blackjack oak, quercus marilandica
  

  source: wordnet30
• small to medium deciduous oak of east central North America; leaves have sharply pointed lobes(noun.plant)

  Synonym:
  northern pin oak, quercus ellipsoidalis
  

  source: wordnet30