ALL meanings of catechu
cat·e·chu
C c - noun catechu 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 3
- noun catechu a hard, brown substance obtained from an Asiatic acacia (Acacia catechu) and other Asiatic trees and shrubs: used as an astringent in medicine, and for dyeing, tanning, etc. 3
- noun catechu any of several astringent substances obtained from various tropical plants, especially from the wood of two East Indian acacias, Acacia catechu and A. suma: used in medicine, dyeing, tanning, etc. 1
- noun catechu A gummy extract of any of several species of Acacieae, produced by boiling the wood of the tree in water and evaporating the resulting liquid. 1