topmast
nounUK /ˈtɒpmɑːst/ · US /ˈtɑpmæst/
Etymology From top + mast.
1
The highest mast in a fore-and-aft-rigged ship.
2
The mast below the topgallant mast in a square-rigged ship.
- Derived terms
- foretopmast, maintopmast
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.