Catechu - meaning and definition. What is Catechu
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What (who) is Catechu - definition

EXTRACT OF ACACIA TREES USED VARIOUSLY AS A FOOD ADDITIVE, ASTRINGENT, TANNIN, AND DYE
Terra Japonica; Cashoo; Black Catechu; Catechutannic acid
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Catechu         
·noun 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.
catechu         
n.
Cutch, gambier, Japan earth, Terra Japonica.
catechu         
['kat?t?u:]
¦ noun a vegetable extract containing tannin, chiefly obtained from an Indian acacia tree and used for tanning and dyeing.
Origin
C17: mod. L., from Malay kacu.

Wikipedia

Catechu

Catechu ( or ) is an extract of acacia trees used variously as a food additive, astringent, tannin, and dye. It is extracted from several species of Acacia, but especially Senegalia catechu (Acacia catechu), by boiling the wood in water and evaporating the resulting brew. It is also known as cutch, black cutch, cachou, cashoo, terra Japonica, or Japan earth, and also katha in Hindi, kaath in Marathi, khaira in Odia, khoyer in Assamese and Bengali, and kachu in Malay (hence the Latinized Acacia catechu chosen as the Linnaean taxonomy name of the type-species Acacia plant which provides the extract).