/ ˈhaɪdrəpleɪn; NAmE / noun , verb
■ noun
1.
a light boat with an engine and a flat bottom, designed to travel fast over the surface of water
2.
( NAmE ) = seaplane
■ verb
[ v ] ( NAmE ) = aquaplane
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WORD ORIGIN
early 20th cent.: from hydro- + plane level .