Catechu(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.
Catechuic(a.) Of or pertaining to catechu or its derivatives. See catechin.

Words within catechu