[f. prec. sb. The vbl. sb. knurling is recorded long before the simple vb.] trans. To make knurls, beadings or ridges (on the edge of a coin, a screw-head, etc.); to mill, to crenate.
1875. Knight, Dict. Mech., 1536/2. A sunken groove, indented so as to form the counter-part of the bead which is to be nurled on the head of the temper-screw.
1879. [see KNURL sb. 3].
