EphPar 2:9.3 :ܚܒܫ ܐܢܘܢ ܒܛܘܦܣܐ ܕܣ̈ܝܠܘܢܐ‏ : he confines them into the form of channels
See the entire entry for sīlōn, sīlōnā n.m. channel, gutter