: a stiff coarse fiber from the outer husk of a coconut

Examples of coir in a Sentence

Recent Examples on the Web
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Its stiff, natural coir bristles will grab onto mud and dirt that often comes with the arrival of spring weather. Brittany Vanderbill, Better Homes & Gardens, 13 Apr. 2026 Similarly, materials like coconut coir bricks or orchid bark require soaking to expand and become usable. Jessica Safavimehr, Southern Living, 8 Apr. 2026 To improve water infiltration, use vermiculite or coconut coir for soil aeration. Nadia Hassani, The Spruce, 15 Mar. 2026 Ingredients such as coco coir and peat moss naturally break down, which reduces the effectiveness of the mixture. Sj McShane, Martha Stewart, 3 Mar. 2026 See All Example Sentences for coir

Word History

Etymology

Tamil kayir̤u rope

First Known Use

1582, in the meaning defined above

Time Traveler
The first known use of coir was in 1582

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Cite this Entry

“Coir.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coir. Accessed 22 Apr. 2026.

Kids Definition

coir

noun
: a stiff coarse fiber from the outer husk of a coconut

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