Definitions for "Treenail"
A long wooden pin used in fastening the planks of a vessel to the timbers or to each other.
a wooden peg that is used to fasten timbers in shipbuilding; water causes the peg to swell and hold the timbers fast
a very dry wooden peg used to join timbers, esp
Keywords:  nail, iron, steel, opposed, hard
a nail made of hard wood, as opposed to steel or iron