Definition of rill in English:


Syllabification: rill


  • 1A small stream.
    More example sentences
    • The rill was a parched ravine now, as though some convulsion of the earth had bled the region dry of its lifeblood.
    • Slowing as Sara's viewpoint neared the surface, more and more details became clearer - craters large and small, passing rills and distant mountains, boulders everywhere.
    • A linked watercourse is planned, with cascades, ponds and rills.
  • 1.1A shallow channel cut in the ground by running water.
    More example sentences
    • The characteristic forms of water erosion are rills and gullies.
    • These streams appear from the crevices of the rocks running through rills and gullies.
    • Flow velocity increases, and the increased energy detaches more soil particles and transports them in tiny channels called rills.
  • 1.2 variant spelling of rille.


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  • 1(Of water) flow in or as in a rill: the springwater rilled over our cold hands
  • 1.1 (as adjective rilled) Indented with small grooves: blocks of butter pounded into artful shapes with rilled paddles


mid 16th century: probably of Low German origin.

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