treenail

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tree·nail

or tre·nail  (trē′nāl′, trĕn′əl, trŭn′əl) also trun·nel (trŭn′əl)
n.
A wooden peg used as a fastener in building wooden ships or timber-frame buildings.

treenail

(ˈtriːneɪl; ˈtrɛnəl) or

trenail

;

trunnel

(ˈtrʌnəl)
n
(Building) a dowel used for pinning planks or timbers together

tree•nail

or tre•nail

(ˈtriˌneɪl, ˈtrɛn l, ˈtrʌn l)

n.
a wooden pin that swells when moist, used for fastening timbers.
[1250–1300]

Trunnel

A wooden dowel used to prevent a wooden mortise and tenon joint from slipping apart. Trunnels were usually made of a hardwood such as oak or hickory.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Treenail - a wooden peg that is used to fasten timbers in shipbuildingtreenail - a wooden peg that is used to fasten timbers in shipbuilding; water causes the peg to swell and hold the timbers fast
nog, peg - a wooden pin pushed or driven into a surface
References in periodicals archive ?
In his restorations, he has even replaced old wooden trunnels (the nails or wooden pegs) with like kind in sites where it snows heavily in winter.
The post and beam frame required no nails, but was fastened together with elegant mortise and tenon joints locked into place with stout wooden pegs called trunnels or "treenails.
Many of the ship's original locust treenails, or trunnels, are still working fasteners.