1. relatively tall deciduous water oak of southeastern United States often cultivated as a shade tree; thrives in wet soil; [syn: water oak, possum oak, Quercus nigra]
WordNet (r) 3.0 (2006):
possum oak
n 1: relatively tall deciduous water oak of southeastern United
States often cultivated as a shade tree; thrives in wet
soil [syn: water oak, possum oak, Quercus nigra]