"Nautical: A rope extended under a yard from the middle to the yardarm, and under the jib- and spanker-booms, for the men to stand on while reefing or furling." -Whitney, 1911

Footrope of Sailing Vessel

"Nautical: A rope extended under a yard from the middle to the yardarm, and under the jib- and spanker-booms,…

This drawing depicts the use of a sail where perpendicularly placed so that opposing wind provides the necessary thrust to move the vessel.

Lift Sail

This drawing depicts the use of a sail where perpendicularly placed so that opposing wind provides the…