Definitions for: Knurl

Webster (1913) Definition: Knurl, n. [See Knar, Gnar.]
A contorted knot in wood; a crossgrained protuberance; a
nodule; a boss or projection.

2. One who, or that which, is crossgrained.

Knurl, v. t.
To provide with ridges, to assist the grasp, as in the edge
of a flat knob, or coin; to mill.