Dictionary

hydrofoil

noun hy·dro·foil \ˈhī-drə-ˌfi(-ə)l\

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

Full 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
ADVERTISEMENT

Illustration of HYDROFOIL

First Known Use of HYDROFOIL

1919

Browse

Next Word in the Dictionary: hydroformatePrevious Word in the Dictionary: hydrofluosilicic acidAll Words Near: hydrofoil
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears