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Definition of Catechu
1. Noun. Extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally.
Exact synonyms: Black Catechu
Substance meronyms: Acacia Catechu, Jerusalem Thorn
Generic synonyms: Extract, Infusion
Substance meronyms: Acacia Catechu, Jerusalem Thorn
Generic synonyms: Extract, Infusion
2. Noun. East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu.
Exact synonyms: Acacia Catechu, Jerusalem Thorn
Group relationships: Genus Acacia
Generic synonyms: Acacia
Terms within: Black Catechu
Group relationships: Genus Acacia
Generic synonyms: Acacia
Terms within: Black Catechu
Definition of Catechu
1. n. 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.
Definition of Catechu
1. Noun. A gummy extract of any of several species of ''Acacia'', produced by boiling the wood of the tree in water and evaporating the resulting liquid. ¹
¹ Source: wiktionary.com
Definition of Catechu
1. a resin used in tanning [n -S]