knurled

[nurld]

Origin:
1605–15; knurl + -ed3

Dictionary.com Unabridged

knurl

[nurl]
noun
1.
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.
2.
a knur.
verb (used with object)
3.
to make knurls or ridges on.
Also, nurl.


Origin:
1600–10; earlier knurle (noun). See knur, -le

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
knurl or nurl (nɜːl)
 
vb
1.  to impress with a series of fine ridges or serrations
 
n
2.  a small ridge, esp one of a series providing a rough surface that can be gripped
 
[C17: probably from knur]
 
nurl or nurl
 
vb
 
n
 
[C17: probably from knur]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

knurl
1608, probably a dim. of M.E. knor "knot" (c.1400), related to gnarl, from P.Gmc. *knur- (cf. Ger. knorren "a knotty excrescence").
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Steps shall have slip resistant surfaces with knurled, dimpled ro textured pattern.
Diameter steel washers, and have knurled body for attachment when inserts into steel.
The projectile consists of a two-piece projectile that is mechanical secured by a knurled interference fit at the center location.
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