Historical Essay
topmast (maritime)
An upper, secondary mast on a sailing vessel, supported by a heavier, lower mast.
View pictures related to boating at Wisconsin Historical Images.
Learn More
Dictionary of Wisconsin History
Explore more than 1,600 people, places and events in Wisconsin history.
[Source: "Glossary." Wisconsin's Great Lakes Shipwrecks (http://www.wisconsinshipwrecks.org/)]