treenail
/ˈtɹiːˌneɪl/
treenail noun: a wooden peg or pin used as a fastener.

Noun
treenail (plural treenails)
- A wooden peg or pin used as a fastener.
- OPERATION—The wood for the treenail is fixed in G; the balance wheel is then moved....1847, editorial staff, “TREENAIL MACHINE”, in Scientific American, series 1, Volume 3, Issue 10, page 73
- Long treenails were quite difficult to drive, often being damaged in the process, with ends becoming "broomed", or worse, split, necessitating the head being trimmed, or far worse, the removal of the treenail.2005 Michael McCarthy: Ships' Fastenings: From Sewn Boat to Steamship. ISBN:1-58544-451-0
Forms of treenail
| plural | treenails |
|---|---|
| alternative form | trannel |
| alternative form | trenail |
| alternative form | trennel |
| alternative form | trunnel |
Origin of treenail
Inherited from Middle English trenayl; equivalent to tree + nail.
Words that rhyme with treenail
Questions about treenail
- What does treenail mean?
- Treenail means a wooden peg or pin used as a fastener.
- What part of speech is treenail?
- Treenail is a noun.
- How do you pronounce treenail?
- Treenail is pronounced /ˈtɹiːˌneɪl/.
- What is the plural of treenail?
- The plural of treenail is treenails.
Words near treenail in the dictionary
Source and license
Adapted from Wiktionary: treenail (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “treenail.” Word.ws, https://word.ws/treenail. Based on Wiktionary, CC BY-SA 4.0.
