| 单词 | catechu | 
| 释义 | Word Frequency catechu(ˈkætɪˌtʃuː), cachou or cutch noun a water-soluble astringent resinous substance obtained from any of certain tropical plants, esp the leguminous tree  Acacia catechu of S Asia, and used in medicine, tanning, and dyeing    See also gambier Word origin C17: probably from Malay kachu, of Dravidian origin | 
	
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