See Also: treenail(medicine)
treenail(dictionary)

treenail (iou)



treenail noun & verb. . ME.
[from TREE noun + NAIL noun.]
A. noun. A cylindrical pin of hard wood used in fastening timbers together, esp. in shipbuilding. ME.
b. verb trans. Fasten or secure with a treenail or treenails. E17.