sipe

/saษชp/

IPA: /S AY1 P/

noun
  1. 1

    Slit in a tire to drain away surface water and improve traction.

  2. 2

    A drain.

verb
  1. 1

    To cut grooves in tires.

  2. 2

    To drain, to filter through peat or reeds; to seep.

Source: https://en.wiktionary.org/wiki/sipe