jack oak

Thesaurus

Noun	1.	jack oak - 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 thicketsblackjack, blackjack oak, Quercus marilandicascrub oak - any of various chiefly American small shrubby oaks often a dominant form on thin dry soils sometimes forming dense thickets
	2.	jack oak - small to medium deciduous oak of east central North America; leaves have sharply pointed lobesnorthern pin oak, Quercus ellipsoidalisoak tree, oak - a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns"