I. hy‧dro‧plane¹ /ˈhaɪdrəpleɪn/ noun [countable]

1. a hydrofoil

2. American English a plane that can take off from and land on water

[TahlilGaran] Dictionary of Contemporary English ▲

II. hydroplane² verb [intransitive]

1. American English if a car hydroplanes, it slides on a wet road in a way that is out of control Synonym : aquaplane British English

2. if a boat hydroplanes, it travels very quickly, just touching the surface of the water

[TahlilGaran] Dictionary of Contemporary English ▲