An oak tree(Quercus macrocarpa) of eastern North America, having pinnately lobed leaves, acorns enclosed within a deep fringed cup, and hard, durable wood.

• 大果栎：产于北美东部的一种栎树（大果栎栎属），具羽状圆形叶片和被深穗杯包裹的槲果和坚硬耐久的木质