- the mast next above the main lower mast.
Origin of main-topmast
Examples from the Web for main-topmast
Historical Examples of main-topmast
This it was necessary to do before sail could be set on the main-topmast.
At last down came the fore-mast of the barque, followed by her main-topmast.
Away to leeward we discovered the Canada, with her main-topmast and mizzenmast gone.
The Glorieux had lost her foremast, bowsprit, and main-topmast.
“There goes her main-topmast,” cried Owen, almost with a groan.The Missing Ship
W. H. G. Kingston
- nautical the mast immediately above the mainmast