knurl definition

  • noun:
    • A knob, knot, or other little protuberance.
    • One of a number of small ridges or grooves at first glance or side of a metal item, such as for instance a thumbscrew, to aid in grasping.
    • A contorted knot in wood.
    • A crossgrained protuberance; a nodule; a boss or projection.
    • A lined or crossgrained design of ridges or indentations rolled or pressed into a component for hold.
    • A contorted knot in timber; a crossgrained protuberance; a nodule; a boss or projection.
    • person who, or what, is crossgrained.
    • A knot; a hard material; a nodule of rock; a protuberance within the bark of a tree.
    • A deformed dwarf; a humpback.
    • In photography, a milled-edge roller used for dotting and softening outrunning outlines and making dark rooms lighter.
  • verb-transitive:
    • to give with knurls; mill.
    • to supply with ridges, to aid the grasp, as with the side of a-flat knob, or money; to mill.
  • verb:
    • To move or push a pattern of ridges or indentations into a part for hold.

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