Definition of catechu in English:


Line breaks: cat|echu
Pronunciation: /ˈkatɪtʃuː


[mass noun]
  • 1A vegetable extract containing tannin, especially one (also called cutch) obtained from the heartwood of an Indian acacia tree, used for tanning and dyeing.
    More example sentences
    • Gutkha is a mixture of areca, catechu, betel nut, lime, tobacco and mint.
    • Extracts of areca catechu, rhus coppallina, diospyros virginiana, sassafrass albidium, and chenopodium ambrosiodes were found to produce tumors in rats.
    • Nair et al. first demonstrated that aqueous extracts of areca nut and catechu were capable of generating superoxide anion and hydrogen peroxide at pH > 9.5.
  • 1.1 another term for gambier.


late 17th century: modern Latin, from Malay kacu. Compare with cachou.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody