坑溝khenn-kau/khinn-kau地理名詞山間水溝或大水坑。伊無注意煞跋落坑溝底。I bô tsù-ì suah pua̍h-lo̍h khenn-kau-té.他不小心竟跌到山溝底。類義山溝suann-kau溪溝khe-kau/khue-kau