Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Motor vehiclestowlinetow‧line /ˈtəʊlaɪn $ ˈtoʊ-/ noun [countable] TTCa towropeExamples from the Corpustowline• Another option is to thread a towline through it.• Pyranha towline system on a Magic Bat. ldoceonline.com