Defn: Power of lasting, enduring, or resisting; durability.
The durableness of the metal that supports it. Addison.

DURABLY
Du"ra*bly, adv.

Defn: In a lasting manner; with long continuance.

DURAL
Du"ral, a. (Anat.)

Defn: Pertaining to the dura, or dura mater.

DURA MATER Du"ra ma"ter. Etym: [L., lit., hard mother. The membrane was called mater, or mother, because it was formerly thought to give rise to every membrane of the body.] (Anat.)

Defn: The tough, fibrous membrane, which lines the cavity of the skull and spinal column, and surrounds the brain and spinal cord; — frequently abbreviated to dura.

DURAMEN Du*ra"men, n. Etym: [L., hardness, a hardened, i. e., ligneous, vine branch, fr. durare to harden. See Dure.] (Bot.)

Defn: The heartwood of an exogenous tree.

DURANCE Dur"ance, n. Etym: [OF. durance duration, fr. L. durans, -antis, p. pr. durare to endure, last. See Dure, and cf. Durant.]