pin oak

• n.
  • fast-growing medium to large pyramidal deciduous tree of northeastern United States and southeastern Canada having deeply pinnatifid leaves that turn bright red in autumn; thrives in damp soil

    同义词： swamp oak Quercus palustris

  • large nearly semi-evergreen oak of southeastern United States; thrives in damp soil

    同义词： laurel oak Quercus laurifolia

以上来源于: WordNet