- a topsail set on the mainmast.
Origin of main-topsail
Examples from the Web for maintopsail
Historical Examples of maintopsail
The foresail was still standing, also half of the maintopsail.Grace Darling
Her commander ordered the brig's maintopsail to be hove to the mast.The Story of Commodore John Barry
The musket was fired, and the brig came to the wind with her maintopsail to the mast.
The Guerriere backed her maintopsail and waited for the American to commence the action.The Cruise of the "Lively Bee"
John De Morgan
Towards Noon it moderated, so that we could bear our Maintopsail close Reefd.
- nautical a topsail set on the mainmast