treenail
/ˈtriːneɪl/
noun
- A wooden peg or pin used to fasten timbers together, especially in shipbuilding or wooden construction.
- Old wooden barns were often held together with treenails instead of metal nails.
- He replaced the rusted bolts with traditional treenails for an authentic restoration.
- The shipwright drove a treenail through the planks to secure the hull.