Dictionary definition · hydroplane
noun
- an airplane that can land on or take off from water"the designer of marine aircraft demonstrated his newest hydroplane"
- 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"
verb
- glide on the water in a hydroplane
Source: Open English WordNet (CC BY 4.0).