Enter a clue or pattern or both:
The Clue
Shipbuilding peg (7 letter answer)
The Answer
TRENAIL
Tags
Notes
The answer TRENAIL is so rare that it appears less than once every 2500 puzzles.
Definition
TRENAIL as a noun:
1. (treenail, trenail, trunnel) = a wooden peg that is used to fasten timbers in shipbuilding; water causes the peg to swell and hold the timbers fast