English to English
noun
- an airplane that can land on or take off from water
The designer of marine aircraft demonstrated his newest hydroplane.
source: WordNet 3.0
- a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
The museum houses a replica of the jet hydroplane that broke the record.
source: WordNet 3.0
- A plane, or any of a number of planes, projecting from the hull of a submarine boat, which by being elevated or depressed cause the boat, when going ahead, to sink or rise, after the manner of an aëroplane.
source: Webster 1913
verb
- glide on the water in a hydroplane
source: WordNet 3.0
- Of a boat, to plane (see Plane, below).
source: Webster 1913