| Term | Bark (astringent)bark |
| Alternate Terms | astringent bark; medicinal bark |
| Definition | Astringent bark is the outer layer of certain trees containing tannins that contract body tissues and reduce secretions. It is valued in multiple healing traditions for its drying and toning effects. |
| Category | herbal medicine |
| Context | Applied in Western herbalism, TCM, and Ayurveda for digestive and wound support. |
| Etymology | From Old English beorc for tree covering combined with Latin astringere meaning to bind tight. |
| Examples | oak bark; willow bark; cinchona bark |
| Related Terms | tannins; astringents; decoctions |
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