hydrofoil

noun

hy·​dro·​foil ˈhī-drə-ˌfȯi(-ə)l How to pronounce hydrofoil (audio)
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 Because the Saronic Gulf islands are so close to Athens, getting here is simple: A hydrofoil from the port of Piraeus ferries you from Athens to each of these destinations. Eleni N. Gage, Travel + Leisure, 1 Apr. 2024 Jost says the boat can also be fitted with hydrofoils to improve seakeeping and range. Rachel Cormack, Robb Report, 25 Mar. 2024 When driving on land, Tice said the hydrofoil's vanes, or blades, retract into the vehicle so they can't be damaged by road objects like rocks. Anthony Robledo, USA TODAY, 18 Feb. 2024 Photograph: Flite The electric jet motor powers the hydrofoil action. Boone Ashworth, WIRED, 25 Feb. 2024 As a hydrofoil, the vehicle features blades, or vanes, that elevate the body of the boat for a smoother ride. Anthony Robledo, USA TODAY, 18 Feb. 2024 Its first customer will be payments processor Stripe Inc. The boats are small, electric-powered and designed to move on hydrofoils above the surface of the water. Bloomberg, The Mercury News, 18 Jan. 2024 On that bright January morning, the hydrofoil slipped through a narrow strait and the full immensity of the 3,200-square-mile lake — nearly half of which is in Bolivia, the rest in Peru — came into view. Aatish Taseer, New York Times, 9 Nov. 2023 Bhattacharyya recruited hydrofoil specialist Paul Bieker as the lead naval architect. Rachel Cormack, Robb Report, 28 Oct. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hydrofoil.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1919, in the meaning defined at sense 1

Time Traveler
The first known use of hydrofoil was in 1919

Dictionary Entries Near hydrofoil

Cite this Entry

“Hydrofoil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrofoil. Accessed 19 Apr. 2024.

Kids Definition

hydrofoil

noun
hy·​dro·​foil ˈhī-drə-ˌfȯil How to pronounce hydrofoil (audio)
: a boat that has fins attached to the bottom by braces for lifting the hull clear of the water to allow faster speeds

More from Merriam-Webster on hydrofoil

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