Wiktionary
trenails
n. (plural of trenail English)
Usage examples of "trenails".
Upon inquiry it appeared that three of the stones last laid upon the building had been partially lifted from their beds by the force of the sea, and were now held only by the trenails, and that the cast-iron sheer-crane had again been thrown down and completely broken.
In her day they built with pegs and tenons instead of just trenails holding the strakes to the frames.
Not fancy, but it was all solid work, pinned with trenails rather than iron.