1. removes the mast or masts from a ship or sailing vessel
Usage: nautical; third person singular present tense or plural form of demast

Examples

• The storm demasts several ships in the harbor.
• A rogue wave demasts the sailboat during the race.
• The shipyard demasts old vessels before scrapping them.
• High winds demasts the mast of the damaged ship.
• The captain fears the hurricane will demasts his vessel.