A name given by its inventor to the horizontal side-submerging rudder of the Lake type of submarine boat. There are two of these horizontal rudders on each side of the boat manipulated in unison; when they are inclined forward and downward they cause the boat to be submerged bodily instead of having a diving motion.
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.
Of a boat, to move through water while supported by hydroplanes{3} (see hydroplane{3}, above).
So the stranger driving the hydroplane was not alone.
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The Drowned World
The distance separating the answering signals was wide enough to indicate that there was more than one group, and that the hydroplane was merely a scout vehicle.
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The Drowned World
The hydroplane was circling noisily by an inlet on the far side of the lagoon, the driver plunging it backwards and forward like a horseman reining his steed.
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The Drowned World
The hydroplane, now free of its entourage, was crossing the central lagoon on its return, leaping lightly through the water on a beautiful wake of foam.
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The Drowned World
Evidently he lived in this vicinity, for he told me that he had just bought a hydroplane, and was going to try it out in the morning.
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The Great Gatsby / by F. Scott Fitzgerald