KNURL
Etymology
Noun
knurl (plural knurls)
A contorted knot in wood.
A crossgrained protuberance; a nodule; a boss or projection.
A lined or crossgrained pattern of ridges or indentations rolled or pressed into a part for grip.
Verb
knurl (third-person singular simple present knurls, present participle knurling, simple past and past participle knurled)
To roll or press a pattern of ridges or indentations into a part for grip.
Source: Wiktionary
Knurl, n. Etym: [See Knar, Gnar.]
Definition: 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.
Definition: To provide with ridges, to assist the grasp, as in the edge of
a flat knob, or coin; to mill.
Source: Webster’s Unabridged Dictionary 1913 Edition