shittim wood

(noun) deciduous tree of southeastern United States and Mexico. Synonyms: false buckthorn, chittamwood, chittimwood, shittimwood, black haw, Bumelia lanuginosa.

(noun) shrubby thorny deciduous tree of southeastern United States with white flowers and small black drupaceous fruit. Synonyms: southern buckthorn, shittimwood, shittim, mock orange, Bumelia lycioides.

(noun) wood of the shittah tree used to make the ark of the Hebrew Tabernacle. Synonyms: shittimwood.