Definitions for "Towline"
A rope used to link the draft animals to the canal boat. Animals either pulled individually, in tandem ( one behind the other ), or as a team ( side by side ). In a lock this rope was used to tie the boat to the snubbing posts. A towline was kept as wet as possible to allow it to be dropped quickly to the bottom of the canal so that other boats could cross over them when they passed on the canal.
(nautical) a rope used in towing
The launching cord used for pulling aloft a glider or sail plane.
Keywords:  towrope, vessels, line
A line used to tow vessels; a towrope.