- (transitive) to break off the mast or masts of (a sailing vessel)
WordReference Random House Unabridged Dictionary of American English © 2026
dis•mast
(dis mast′, -mäst′),USA pronunciation v.t.
dis•mast′ment, n.
- Nautical, Naval Termsto deprive (a ship) of masts;
break off the masts of.
- dis-1 + mast1 1740–50
Collins Concise English Dictionary © HarperCollins Publishers::
dismast /dɪsˈmɑːst/ vb