noun
- a ski-like device attached to the hull of a boat or seaplane to help it rise up and skim across the water surface at high speed
Usage: usually used in plural; technical/nautical
Examples
- The speedboat was equipped with hydroskis to reduce drag and increase speed.
- Hydroskis allow seaplanes to take off more easily from water.
- As the boat accelerated, the hydroskis lifted the hull above the water surface.
- The pilot adjusted the hydroskis to maintain a smooth ride across the choppy lake.