A strone, gaw, gote, sheuch, stank, trink, channel or syver, is a howe rinnin alang side a gate calculate tae gaither rainwatter flowin alang the gate an diverts it intae a cundie. Whaur a cribstane is present, a strone micht semply be formed by the convergence o the road surface an the vertical face o the pavement; ense, a dedicate strone surface made o concrete micht be present. A strone lichtens the amoont o watter gaitherin on a street, allouin gangers tae pass athoot walkin throu dubs an lowdenin the chance o hydroplanin by road vehicles.
No aw gates haes strones, an thay are maist aften fund in areas o a ceety that hae heich ganger traffec. In past centuries whan urban streets daedna necessar hae sanitary sewers, strones war made deep eneuch tae serve.