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  1. Oxford American Dictionary

    runnel

    • IPA[ˈrən(ə)l]

    美式

    • n.
      a narrow channel in the ground for liquid to flow through；a brook or rill.

    • noun: runnel, plural noun: runnels

    • 釋義

    名詞

    • 1. a narrow channel in the ground for liquid to flow through muddy lanes with runnels for effluent
    • ▪ a brook or rill.
    • ▪ a small stream of a particular liquid a runnel of sweat