mizzenmast
/ˈmɪzənˌmæst/
noun
- The third mast from the bow (front) on a sailing ship with three or more masts, or the aftmost mast on a two-masted vessel.
- A flag flew from the top of the mizzenmast to signal the ship's arrival.
- The lookout climbed the mizzenmast to scan the horizon.
- The mizzenmast was shorter than the mainmast but still carried several sails.