Examples from the Web for spritsail
Forward the ships had bowsprits, on which each set a spritsail, from a spritsail yard.On the Spanish Main|John Masefield
Our only squaresail was a spritsail at the main-yard to serve as a mainsail.Hurricane Hurry|W.H.G. Kingston
The spritsail flapped emptily and the boat righted to an even keel, causing the two men swiftly to change position.The Sea-Wolf|Jack London
The foremast had a square foresail, the mainmast a mainsail and maintopsail, and there was a spritsail on the bowsprit.
When day broke, they succeeded in wearing the ship with a remnant of the spritsail: this was hardly to have been expected.Fifty-two Stories of the British Navy, from Damme to Trafalgar.|Alfred H. Miles