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Pronunciation:  'hIdru`pleyn

WordNet Dictionary
  1. [n]  a speedboat that is equipped with hydrofoils 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"
  2. [n]  an airplane that can land on or take off from water; "the designer of marine aircraft demonstrated his newest hydroplane"
  3. [v]  glide on the water in a hydroplane

HYDROPLANE is a 10 letter word that starts with H.


 Synonyms: hydrofoil, seaplane, seaplane
 See Also: aeroplane, airplane, aviate, floatplane, fly, flying boat, glide, pilot, plane, pontoon plane, speedboat



Webster's 1913 Dictionary
  1. \Hy"dro*plane\, n. [Pref. hydro-, 1 + plane.]
    1. 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 a["e]roplane.
    2. A projecting plane or fin on a gliding boat to lift the
       moving boat on top of the water; also, a gliding boat.
  2. \Hy"dro*plane\, v. i.
    Of a boat, to plane (see {Plane}, below).
Thesaurus Terms
 Related Terms: aeroboat, aeroplane, airlift, airplane, amphibian, balloon, be airborne, boat seaplane, clipper, cruise, drift, ferry, flit, floatplane, fly, flying boat, glide, hop, hover, jet, navigate, sail, sailplane, seaplane, soar, take the air, take wing, volplane, waterplane, wing