Noun | 1.shittimwood - deciduous tree of southeastern United States and Mexicoblack haw, Bumelia lanuginosa, false buckthorn, chittamwood, chittimwoodbuckthorn - any shrub or small tree of the genus Bumelia | | 2.shittimwood - shrubby thorny deciduous tree of southeastern United States with white flowers and small black drupaceous fruitBumelia lycioides, shittim, southern buckthorn, mock orangebuckthorn - any shrub or small tree of the genus Bumelia | | 3.shittimwood - wood of the shittah tree used to make the ark of the Hebrew Tabernacleshittah, shittah tree - source of a wood mentioned frequently in the Bible; probably a species of genus Acaciawood - the hard fibrous lignified substance under the bark of trees |