treenail

or tre·nail, trun·nel

[ tree-neyl, tren-l, truhn-l ]
/ ˈtriˌneɪl, ˈtrɛn l, ˈtrʌn l /
|

noun

a wooden pin that swells when moist, used for fastening together timbers, as those of ships.

Origin of treenail

First recorded in 1250–1300, treenail is from the Middle English word trenayl. See tree, nail
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for treenail

British Dictionary definitions for treenail

treenail

trenail trunnel (ˈtrʌnəl)

/ (ˈtriːneɪl, ˈtrɛnəl) /

noun

a dowel used for pinning planks or timbers together

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012