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catechu

American  
[kat-i-choo, -kyoo] / ˈkæt ɪˌtʃu, -ˌkju /

noun

  1. 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.


catechu British  
/ ˈkætɪˌtʃuː /

noun

  1. 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 See also gambier

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of catechu

1670–80; < New Latin < Portuguese; perhaps a conflation of Marathi kāt catechu and kāccu, with same sense, alleged to be < Malayalam; cashoo, cutch perhaps < Malay kacu < Malayalam, or a cognate Dravidian word


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The fruit, when tender, is masticated like the Areca catechu.

From The Philippine Islands by John Foreman

On silk, catechu is much used for weighting purposes in dyeing black.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

The chief substances used for weighting are lead salts, catechu, iron, and nut-galls, with soap and oil to soften in some degree the harshness of the fabric which these minerals cause.

From Textiles For Commercial, Industrial, and Domestic Arts Schools; Also Adapted to Those Engaged in Wholesale and Retail Dry Goods, Wool, Cotton, and Dressmaker's Trades by William H. (William Henry) Dooley

Acacia catechu.—The drug known as catechu is principally prepared from this tree, the wood of which is boiled down, and the decoction subsequently evaporated so as to form an extract much used as an astringent.

From Catalogue of Economic Plants in the Collection of the U. S. Department of Agriculture by William Saunders

All the operations thus far have had for their object the weighting of the silk, although the blueing and the catechu baths have some influence on the finished result.

From Textiles For Commercial, Industrial, and Domestic Arts Schools; Also Adapted to Those Engaged in Wholesale and Retail Dry Goods, Wool, Cotton, and Dressmaker's Trades by William H. (William Henry) Dooley

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