trysail mast

noun

, Nautical.

1. a small auxiliary mast fastened just abaft the mainmast or foremast of a sailing vessel.

Word History and Origins

Origin of trysail mast¹

First recorded in 1760–70

Example Sentences

A snow was a small vessel like a brig except for having a supplementary third, or trysail, mast.

From Project Gutenberg