mono·hull | \ˈmä-nə-ˌhəl \

Definition of monohull 

: a vessel (such as a sailboat) with a single hull — compare multihull

Keep scrolling for more

Other Words from monohull

monohulled \-ˌhəld \ adjective

Examples of monohull in a Sentence

Recent Examples on the Web

The Gonet Monofoil is a revolutionary monohull that lifts out of the water on hydrofoils, the latest in sailing's surge into foiling technology. Rob Hodgetts, CNN, "Gonet Monofoil: Revolutionary 'flying' monohull takes off," 7 June 2018 Instead of the twin-hulled foiling catamarans used in Bermuda, the 2021 Cup finals in Auckland will be held in 75-feet foiling monohull yachts. Danielle Rossingh, CNN, "Ben Ainslie strikes $153m deal to fund second America's Cup bid," 26 Apr. 2018 The flywheels come in various sizes for monohull boats (sorry, no catamarans) from 25 feet to more than 85 feet long. Jack Stewart, WIRED, "Seakeeper’s Super Spinning System Keeps Ships Stable at Sea," 21 May 2018 Typically, boats entered include larger monohulls, which can travel about 10 mph, and smaller and sleeker catamarans and beach cats, which can hit speeds of 35 mph. Walter Villa, miamiherald, "In its 63rd year, the Miami Key Largo Regatta adds this for the 2nd day of competition | Miami Herald," 9 Apr. 2018 The switch back to the more traditional America's Cup monohull class was partly driven by the location of the 2021 finals, which will be held in Hauraki Gulf off Auckland. Danielle Rossingh And Shirley Robertson, CNN, "Why the next America's Cup is going back to basics," 3 Apr. 2018 Instead of the foiling mutilhulls with rigid wing sails of the last two events, the competition will be sailed in 75-foot foiling monohulls. Rob Hodgetts, CNN, "America's Cup-winning skipper Jimmy Spithill jumps ship to Italians," 13 Mar. 2018 Austal builds one version of the LCS, an aluminum trimaran, in Mobile; Lockheed Martin builds a second version, a steel monohull, at Fincantieri Marinette Marine shipyards in Wisconsin. Lawrence Specker,, "Austal makes cut for next round of Navy frigate program," 19 Feb. 2018 But Bertelli likes the tactics and grandeur of monohulls, and sailing conditions in the Hauraki Gulf off Auckland, the likely site for this Cup, were considered less than ideal for foiling catamarans. Christopher Clarey, New York Times, "America’s Cup Will Return to Monohulls in 2021," 29 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'monohull.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of monohull

1967, in the meaning defined above

Keep scrolling for more

Learn More about monohull

Statistics for monohull

Look-up Popularity

Time Traveler for monohull

The first known use of monohull was in 1967

See more words from the same year

More from Merriam-Webster on monohull

See words that rhyme with monohull

Comments on monohull

What made you want to look up monohull? Please tell us where you read or heard it (including the quote, if possible).


one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!