1 treenail | Definition of treenail
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treenail

noun
tree·​nail | \ ˈtrÉ™-nᵊl How to pronounce treenail (audio) \
variants: or or less commonly trenail

Definition of treenail

: a wooden peg made usually of dry compressed timber so as to swell in its hole when moistened

First Known Use of treenail

13th century, in the meaning defined above

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More from Merriam-Webster on treenail

Rhyming Dictionary: Words that rhyme with treenail

Britannica.com: Encyclopedia article about treenail

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