Definitions for "Knurled"
Milled, as the head of a screw, or the edge of a coin.
On a knob or handle, a series of fine grooves impressed into an edge or surface to improve the grip when turned or handled. Laminate - Two or more sheets of material bonded together; or the top waterproof sheet of the bonded sheets used as a work surface; also to fix such sheets together.
Having a surface covered with small knobs or beads, as a nail which may have such a surface for greater holding power.
Full of knots; gnarled.