coir

[koir]
noun
the prepared fiber of the husk of the coconut fruit, used in making rope, matting, etc.

Origin:
1575–85; < Malayalam kayaru cord; replacing cairo < Portuguese < Tamil kayiṟu rope

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World English Dictionary
coir (kɔɪə)
 
n
the fibre prepared from the husk of the coconut, used in making rope and matting
 
[C16: from Malayalam kāyar rope, from kāyaru to be twisted]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

coir
"prepared coconut fiber," 1580s, from Malayalam kayar "cord," kayaru "to be twisted."
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica
Encyclopedia

coir

seed-hair fibre obtained from the outer shell, or husk, of the coconut, the fruit of Cocos nucifera, a tropical plant of the Arecaceae (Palmae) family. The coarse, stiff, reddish brown fibre is made up of smaller threads, each about 0.01 to 0.04 inch (0.03 to 0.1 centimetre) long and 12 to 24 microns (a micron is about 0.00004 inch) in diameter, composed of lignin, a woody plant substance, and cellulose. Sri Lanka is the centre of coir preparation, with hand processing, believed to produce a superior fibre, concentrated in the southwestern part of the island.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Coir netting alone has proven ineffective at holding back saturated material in steep slope conditions.
The flow of water is slowed using coir logs in channel and via a terraced hillside comprised of coir blocks and native plants.
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