leatherwood

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A deciduous shrub (Dirca palustris) of eastern North America, having tough flexible branches, pliable bark, and small yellow flowers.

from The Century Dictionary.

• noun A North American shrub of the genus Dirca, with very tough bark. See Dirca.
• noun An Australian tree or shrub of the genus Ceratopetalum, belonging to the saxifrage family; also, its wood.
• noun The Tasmanian pinkwood, Eucryphia Billardieri. See pinkwood, 2.
• noun In the southeastern United States, Cyrilla racemiflora, a bush or small, wide-spreading tree of bottom-lands, with a hard wood and, at the base of the trunk, a spongy pliable bark, recommended for a styptic. More often called ironwood and sometimes he-huckleberry, burnwood, or burnwood-bark, and red or white titi. Sometimes called Southern leatherwood. See Cyrillaceæ.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) A small branching shrub (Dirca palustris), with a white, soft wood, and a tough, leathery bark, common in damp woods in the Northern United States; -- called also moosewood, and wicopy.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A deciduous shrub, of the genus Dirca, that has leathery bark

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun deciduous shrub of eastern North America having tough flexible branches and pliable bark and small yellow flowers
• noun shrub or small tree of southeastern United States to West Indies and Brazil; grown for the slender racemes of white flowers and orange and crimson foliage