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Fine Dictionary

Knurl

Webster's Revised Unabridged Dictionary
  1. Knurl
    nûrl A contorted knot in wood; a crossgrained protuberance; a nodule; a boss or projection.
  2. Knurl
    One who, or that which, is crossgrained.
  3. Knurl
    nûrl To provide with ridges, to assist the grasp, as in the edge of a flat knob, or coin; to mill.
Century Dictionary and Cyclopedia
  1. (n) knurl
    A knot; a hard substance; a nodule of stone; a protuberance in the bark of a tree.
  2. (n) knurl
    A deformed dwarf; a humpback.
  3. (n) knurl
    In photography, a milled-edge roller used for dotting and softening outrunning lines and making dark spaces lighter.
Chambers's Twentieth Century Dictionary
  1. (n) Knurl
    nėrl (Burns) a humpback.
  2. Knurl
    Same as Gnarl, Knarl.
Etymology

Webster's Revised Unabridged Dictionary See Knar Gnar

Usage in the news

Lucifer Furnaces, Inc recently supplied a fifth tempering oven to Accu Trak Tool Corp. A leading manufacturer of precision knurling wheels and holders. ceramicindustry.com

Zak Tool 's Knurled Flat Grip Handcuff Key is available in a desinger pink. officer.com

According to the company, the kit is easy to use, and tough with a diamond-knurled grip and all-metal housing. pten.com

Usage in literature

It may be spaced and filed, or it may be knurled, as shown in Fig. "Scientific American Supplement, No. 312, December 24, 1881" by Various

The knurled retaining screw turned easily; the cup dropped into Brett's hand. "It Could Be Anything" by John Keith Laumer

You focus the 'scope eyepiece by turning this knurled knob. "The Flying Stingaree" by Harold Leland Goodwin

Ennis, tensing to spring toward Ruth, saw the two priests at the gray mechanism swiftly turn the knurled black knobs. "The Door into Infinity" by Edmond Hamilton

Concave knurls are sometimes used for knurling rounded edges on screw heads, etc. "Turning and Boring" by Franklin D. Jones