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.
© Webster 1913.
Knurl (?), v. t.
To provide with ridges, to assist the grasp, as in the edge of a flat knob, or coin; to mill.
© Webster 1913.