hydroplane

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun an airplane that can land on or take off from water
noun a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
verb glide on the water in a hydroplane

From hydro- + plane.

A hydroplane was circling above the Kate. — The Literary World Seventh Reader, Unknown
Bird Boys' Flight; or, A Hydroplane Round-up. — Practical Mechanics for Boys, James Slough Zerbe
Suddenly Tom became very excited as he looked at the hydroplane. — Tom Swift and His Giant Telescope, Victor Appleton

seaplane

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