Search Dictionary
Definition of hydroplane

hydroplane

/ˈhaɪ.drə.pleɪn/
hy · dro · plane

Plural:hydroplanes
•
Past Simple:hydroplaned
•
Past Participle:hydroplaned
•
Present Participle:hydroplaning
JUMP TO:

hydroplane Lexical Profile

hydroplane Game Scores & Validity

• verb

1

North American To slide uncontrollably on a wet road because a thin film of water builds up beneath the tires and causes them to lose contact with the pavement (of a motor vehicle or its driver).

Example

"Drivers were warned to slow down during the downpour so their cars would not hydroplane on the highway."


2

To skim across the surface of the water with the hull lifted largely clear of the water by hydrodynamic force (of a boat), or to pilot a hydroplane.

Example

"As the throttle opened, the sleek craft began to hydroplane effortlessly across the bay."

Synonyms
View all synonyms for hydroplane

• noun

1

A light, high-powered motorboat designed with a stepped or flat hull so that it skims across the surface of the water at high speeds with most of its hull lifted out of the water.

Example

"The racing hydroplane roared across the lake, barely touching the surface of the water."


2

An aircraft equipped with floats or a boat-like hull that enables it to take off from and land on water; a seaplane.

Example

"Early aviation pioneers frequently tested their hydroplanes on calm coastal bays."


3

A movable fin-like control surface mounted on the hull of a submarine to regulate its vertical pitch and depth while submerged.

Example

"The submarine's officer adjusted the forward hydroplanes to bring the vessel cleanly to periscope depth."

Synonyms
View all synonyms for hydroplane

Word Nuance & Usage

In reference to a road vehicle sliding uncontrollably on a wet surface, "hydroplane" is standard in North American English, whereas "aquaplane" is preferred in British English.

Word Origin & Etymology

Coined in the late 19th century from the combining form "hydro-" (from Ancient Greek "hydor", meaning water) and "plane" (from Latin "planus", meaning flat or level), modeled after "aeroplane".

Cite this Entry


Wordmom. (2026). Definition of Hydroplane. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/hydroplane
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.