jack oak
n 1: 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 [syn:
{blackjack oak}, {blackjack}, {jack oak}, {Quercus
marilandica}]
2: small to medium deciduous oak of east central North America;
leaves have sharply pointed lobes [syn: {jack oak}, {northern
pin oak}, {Quercus ellipsoidalis}]