knurl
UK /nɜːl/ US /nɝl/
noun 3verb 1
Definitions
noun
1
A contorted knot in wood.
2
A crossgrained protuberance; a nodule; a boss or projection.
3
A lined or crossgrained pattern of ridges or indentations rolled or pressed into a part for grip.
verb
1
To roll or press a pattern of ridges or indentations into a part for grip.
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