Knurl
Pronunciation
Origin
knur + -le("diminutive"), from Middle English knar ("knot in wood"), earlier sense “a stoneâ€, of Unknown origin.
Online Etymology Dictionary|gnarled
gnarl is a later variant, from gnarled, via knurled.
Full definition of knurl
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
- To roll or press a pattern of ridges or indentations into a part for grip.