A light three-cornered sail set in yachts on the foretopmaststay.(noun)
The Century Dictionary (Public Domain)
Use "jib-topsail" in a sentence
"But she is our own; and they never saw her with jackyarder spread, or spinnaker or jib-topsail delicate as samite -- those heavenly wings!"
"And so, by doing the seamanly work themselves and putting ropes into the hands of the crew, the mate and the two boatswains got sail on the ship, even to the jib-topsail and the mainroyal staysail."
"The jib-topsail, the skysails and royals, the lighter middle staysails, and the fore and mizzen topgallantsails had been blown away, and the ship was practically under topsails, a bad equipment of canvas with which to claw off a lee shore."