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 thickets blackjack, blackjack oak, Quercus marilandica scrub 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 lobes northern pin oak, Quercus ellipsoidalis oak tree, oak - a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns"