ACV

from The Collaborative International Dictionary of English v.0.48
hovercraft \hov"er*craft\, n.
   A vehicle that rides over water or land supported by the
   pressure of a stream of air generated by downward-thrusting
   fans, and is propelled forward by an air propeller; also
   called {ACV} and {air-cushioned vehicle}. [Mostly found in
   Great Britain]
   [PJC]
    

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