tree·​nail ˈtrə-nᵊl How to pronounce treenail (audio)
variants or or less commonly trenail
: a wooden peg made usually of dry compressed timber so as to swell in its hole when moistened

Word History

First Known Use

13th century, in the meaning defined above

Time Traveler
The first known use of treenail was in the 13th century

Dictionary Entries Near treenail

Cite this Entry

“Treenail.” Dictionary, Merriam-Webster, Accessed 30 Sep. 2023.

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