Nervure
Part of speech: noun
Definition: Any of the vascular bundles that form the branching framework of conducting and supporting tissues in a leaf or other plant organ. One of the chitinous ribs that stiffen and support the wing of an insect.
Vein
Part of speech: noun
Definition: A blood vessel that transports blood from the capillaries back to the heart.(used in plural veins) The entrails of a shrimp.In leaves, a thickened portion of the leaf containing the vascular bundle.The nervure of an insect's wing.A stripe or streak of a different colour or composition in materials such as wood, cheese, marble or other rocks.A topic of discussion.A style, tendency, or quality of something.
Example sentence: It is in men as in soils where sometimes there is a vein of gold which the owner knows not.