knurl

or nurl

[ nurl ]
/ nɜrl /
See synonyms for: knurl / knurled on Thesaurus.com

noun

a small ridge or bead, especially one of a series, as on a button for decoration or on the edge of a thumbscrew to assist in obtaining a firm grip.
a knur.

verb (used with object)

to make knurls or ridges on.

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Origin of knurl

1600–10; earlier knurle (noun). See knur, -le
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for knurl

knurl

nurl

/ (nɜːl) /

verb (tr)

to impress with a series of fine ridges or serrations

noun

a small ridge, esp one of a series providing a rough surface that can be gripped

Word Origin for knurl

C17: probably from knur
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012