hydrofoil

• Nom désignant une structure en forme d'aile fixée à la coque d'un navire qui le soulève au-dessus de l'eau à vitesse, ou le navire lui-même équipé d'un tel dispositif.

A noun referring to a wing-like structure attached to the hull of a boat that lifts it out of the water at speed, or a vessel equipped with such a device.

1. Lifting deviceC1formaltechnical

   A flat or curved structure attached to a boat's hull that lifts it out of the water at speed, reducing drag.

   Hydroptère (structure portante)

   • The hydrofoil design allows the vessel to glide smoothly over waves.
   • Engineers tested the new hydrofoil in a controlled water channel.
   • The boat's hydrofoil system significantly improved its fuel efficiency.

   Synonymesfoil

2. High-speed vesselB2formaltechnical

   A type of boat or ship that uses wing-like structures to rise above the water surface, enabling fast travel.

   Hydroptère

   • The hydrofoil ferried passengers across the channel in under an hour.
   • We took a hydrofoil from the island to the mainland.
   • Modern hydrofoils are used for both military and commercial purposes.