hydroplane

[ hahy-druh-pleyn ]
/ ˈhaɪ drəˌpleɪn /

noun

a seaplane.
an attachment to an airplane enabling it to glide on the water.
a light, high-powered boat, especially one with hydrofoils or a stepped bottom, designed to plane along the surface of the water at very high speeds.
a horizontal rudder for submerging or elevating a submarine.

verb (used without object), hy·dro·planed, hy·dro·plan·ing.

RELATED WORDS

Origin of hydroplane

First recorded in 1900–05; hydro-1 + plane1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hydroplane

British Dictionary definitions for hydroplane

hydroplane

/ (ˈhaɪdrəʊˌpleɪn) /

noun

a motorboat equipped with hydrofoils or with a shaped bottom that raises its hull out of the water at high speeds
an attachment to an aircraft to enable it to glide along the surface of water
another name (esp US) for a seaplane
a horizontal vane on the hull of a submarine for controlling its vertical motion

verb

(intr) (of a boat) to rise out of the water in the manner of a hydroplane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012