资料来源 : Webster's Revised Unabridged Dictionary (1913)

Towpath \Tow"path`\, n.
   A path traveled by men or animals in towing boats; -- called
   also {towing path}.

资料来源 : WordNet®

towing path
     n : a path along a canal or river used by animals towing boats
         [syn: {towpath}]