1. A high-speed passenger ferry or boat that uses jet propulsion and hydrofoils to lift the hull above the water surface for reduced drag and increased speed.
Usage: trademark (originally); nautical/maritime

Examples

• The jetfoil crossed the harbor in record time, skimming above the water on its hydrofoils.
• Passengers boarded the jetfoil for the quick trip across the bay.
• The jetfoil's jet engines propelled it at speeds exceeding 40 knots.
• Modern jetfoils combine jet propulsion with hydrofoil technology for efficient high-speed travel.
• The ferry service upgraded to jetfoils to reduce travel time between the islands.