noun, plural tow·paths [toh-path z, -pahth z, -paths, -pahths] /ˈtoʊˌpæðz, -ˌpɑðz, -ˌpæθs, -ˌpɑθs/. a path along the bank of a canal or river, for use in towing boats. noun a path beside a canal or river, used by people or animals towing boatsAlso called: towing path