noun
- An astringent extract obtained from the heartwood of certain tropical trees, used in tanning, dyeing, and traditional medicine.
Usage: Also called cutch or kutch; Primarily used in industrial and traditional contexts
Examples
- Catechus was historically important in the leather tanning industry.
- The extract catechus contains tannins that give it astringent properties.
- Traditional dyers used catechus to produce brown and reddish hues in textiles.
- Catechus is derived from the wood of Acacia catechu and related species.