hydroplanes >> ˈhʌɪdrəpleɪn
Definition: [noun] a light, fast motorboat designed to skim over the surface of water.
Definition: [noun] a movable horizontal attachment that enables a moving submarine to rise or fall in the water.
Definition: [noun] a seaplane.
Definition: [verb] another term for aquaplane.
Example: a motorist whose car hydroplaned and crashed into a tree