hy·​dro·​foil | \ ˈhī-drə-ˌfȯi(-ə)l How to pronounce hydrofoil (audio) \

Definition of hydrofoil

1 : a body similar to an airfoil but designed for action in or on water
2 : a motorboat that has metal plates or fins attached by struts fore and aft for lifting the hull clear of the water as speed is attained

Illustration of hydrofoil

Illustration of hydrofoil

hydrofoil 2

Examples of hydrofoil in a Sentence

Recent Examples on the Web The 90-minute crossing from Corfu to Paxos on a stuffy hydrofoil was not quite the pleasure trip that the ferry company, Joy Cruises, had promised. Rachel Howard, Travel + Leisure, 27 Dec. 2021 The idea is that a submerged hydrofoil acts like an airplane wing, lifting the surfboard itself up off the water, and thereby eliminating surface friction. Daniel Duane, Wired, 23 Dec. 2021 That’s all thanks to the company’s proprietary hydrofoil technology and podded propulsion system. Rachel Cormack, Robb Report, 2 Nov. 2021 But as remote as the place feels, Favignana is only a half-hour hydrofoil ride from the Sicilian city of Trapani. Stephanie Rafanelli, Condé Nast Traveler, 5 Aug. 2021 The seaglider combines wing-in-ground effect and hydrofoil technologies. Miquel Ros, CNN, 27 Aug. 2021 Kimolos, Cyclades Not quite 14 square miles large, Kimolos is less than a mile from its big sister island, Milos, and the distance between them can be bridged with an hour-long ferry ride or half-hour hydrofoil. Eleni N. Gage, Condé Nast Traveler, 27 Aug. 2021 Half Moon Bay big-wave surfer Chris Bertish, originally from South Africa, had a similar idea to cross to Hawaii, but on a custom hydrofoil boat. Gregory Thomas, San Francisco Chronicle, 14 July 2021 There have been myriad concepts surfacing recently, and, just last year, the world’s first electric hydrofoil powerboat hit the seas in Sweden. Rachel Cormack, Robb Report, 19 Aug. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrofoil.' 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 hydrofoil

1919, in the meaning defined at sense 1

Learn More About hydrofoil

Time Traveler for hydrofoil

Time Traveler

The first known use of hydrofoil was in 1919

See more words from the same year

Dictionary Entries Near hydrofoil

hydrofluosilicic acid



See More Nearby Entries 

Statistics for hydrofoil

Last Updated

12 Jan 2022

Cite this Entry

“Hydrofoil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrofoil. Accessed 23 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for hydrofoil



English Language Learners Definition of hydrofoil

: a very fast boat that rises partly out of the water when moving at high speeds

More from Merriam-Webster on hydrofoil

Thesaurus: All synonyms and antonyms for hydrofoil

Britannica.com: Encyclopedia article about hydrofoil


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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