| Term | Bark |
| Alternate Terms | outer bark; tree rind; woody sheath |
| Definition | Bark is the protective outer layer of stems and roots in woody plants containing bioactive compounds. In herbal traditions it is harvested for anti-inflammatory and astringent effects. |
| Category | herbalism |
| Context | Used across Western herbalism TCM and Ayurveda for tonic and fever remedies. |
| Etymology | From Old Norse borkr meaning tree covering or rind. |
| Examples | willow bark; cinnamon bark; cinchona bark |
| Related Terms | phloem; cambium; decoction; astringent |
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