Bible Dictionaries
Topsail

Webster's Dictionary

(n.) In a square-rigged vessel, the sail next above the lowermost sail on a mast. This sail is the one most frequently reefed or furled in working the ship. In a fore-and-aft rigged vessel, the sail set upon and above the gaff. See Cutter, Schooner, Sail, and Ship.

Bibliography Information
Webster, Noah. Entry for 'Topsail'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/topsail.html. 1828.