vein

Definitions

• (anatomy) A blood vessel that transports blood from the capillaries back to the heart.
• (in plural) The entrails of a shrimp.
• (botany) In leaves, a thickened portion of the leaf containing the vascular bundle.
• (zoology) 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.
• (figurative) A topic of discussion; a train of association, thoughts, emotions, etc.
• (figurative) A style, tendency, or quality.
• A fissure, cleft or cavity, as in the earth or other substance.