# hydrofoil

> English word · Noun · IPA /ˈhɑe.dɹəˌfoɪl/ · frequency rank #88,439

## Definitions
1. A wing attached to the hull of a ship that raises it out of the water when travelling at speed and thus reduces drag.
2. A vessel equipped with such a device.

## Etymology
From hydro- + foil.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/hydrofoil