noun

• A small projecting knob or ridge, especially in a series around the edge of something.

  ‘When I grabbed the gleaming chrome door handle, I felt machined bumps, or knurls, that provide extra grip.’

  More example sentences

  • ‘These knurls are slightly harder and in most applications deliver a substantial increase in tool life.’
  • ‘The slots for the knurls are not critical and can easily be cut using a hacksaw and a file.’

  Synonyms

  nodule, gnarl, knurl, node, lump, knob, swelling, growth, gall, protuberance, bump