noun
- A small mast set at or near the stern of a ship, typically the fourth mast on a four-masted vessel.
Usage: nautical; also called the jigger mast
Examples
- The tall ship's jiggermast was positioned just forward of the stern.
- Sailors adjusted the sails on the jiggermast to improve the vessel's balance.
- The four-masted barque had a prominent jiggermast that helped with steering.
- During the storm, the crew secured the jiggermast rigging to prevent damage.