葉脈,翅脈
Nervure \Nerv"ure\, n. [F. See {Nerve}.] 1. (Bot.) One of the nerves of leaves. 2. (Zo["o]l.) One of the chitinous supports, or veins, in the wings of incests.
nervure n 1: any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ [syn: {vein}] 2: one of the horny ribs that stiffen and support the wing of an insect [syn: {vein}]