cutch(redirected from catechu nigrum)
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[Malay kachu, of Dravidian origin.]
(Elements & Compounds) another name for catechu
(Placename) a variant spelling of Kutch
cat•e•chu(ˈkæt ɪˌtʃu, -ˌkyu)
any of several astringent substances obtained from various tropical Asian plants, esp. two East Indian acacias, Acacia catechu and A. suma: used in medicine, dyeing, tanning, etc. Also called cutch.
[1670–80; < New Latin < Portuguese]