ˈcounter-clout
[counter- + clout-nail.]
A nail with a large head flat above like a clout-nail but bevelled below so as to be counter-sunk in an iron plate, etc.
| 1879 Cassell's Techn. Educ. IV. 11/2, 3,000 different kinds of nails..such as clasp, clout, counter-clout [etc.]. |