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1. (n.) catechu
any of several astringent substances obtained from various tropical Asian plants, esp. two East Indian acacias, Acacia catechu and A. suma: used in medicine, dyeing, tanning, etc.
Etymology: (1670–80; < NL < Pg)
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| Definition of 'catechu' |
Princeton's WordNet |
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1. (noun) black catechu, catechu
extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally
2. (noun) catechu, Jerusalem thorn, Acacia catechu
East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu
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| Definition of 'catechu' |
Webster Dictionary |
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1. (noun) catechu
a dry, brown, astringent extract, obtained by decoction and evaporation from the Acacia catechu, and several other plants growing in India. It contains a large portion of tannin or tannic acid, and is used in medicine and in the arts. It is also known by the names terra japonica, cutch, gambier, etc
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Definitions of catechu 
